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Guide to the Best Science Fair Projects (Book)
Guide to the Best Science Fair Projects (Book)
14497

You asked for it! Just what kids, teachers, and parents have been waiting for-two valuable resources for doing super science fair projects. Includes project ideas, dos and don'ts, display tips and much more! For ages 8-12.
You asked for it! Just what kids, teachers, and parents have been waiting for-two valuable resources for doing super science fair projects. Includes project ideas, dos and don'ts, display tips and much more! For ages 8-12.

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$14.95 Each
Made in the USA
Gym Water Cooler Cart (w/o Cooler)
Gym Water Cooler Cart (w/o Cooler)
EC035M

• 3 Shelves
• Middle shelf is easily removed if you require room for 2 ten gallon coolers.
• Large, easy-glide rubber caster wheels.
• Durable heavy-gauge all-steel construction.
• 42" high x 21" wide x 16.5" deep
• Coolers sold separately


This new cart is ideal for transporting and staging your water cooler, first aid kits and other equipment such as towels, cups, etc. Features include: 3 Shelves - Middle shelf is easily removed if you require room for 2 ten gallon coolers. Large, easy-glide rubber caster wheels. Durable heavy-gauge all-steel construction. Measures 42" high x 21" wide x 16.5" deep. Coolers sold separately

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$376.00 Each
Gyroscope
Gyroscope
11735

6 cm in diameter. Supplied with supported base with socket at top end for holding the gyroscope and demonstrating various principles.
6 cm in diameter. Supplied with supported base with socket at top end for holding the gyroscope and demonstrating various principles.

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$16.70 Each
Hand Air Pump
Hand Air Pump
15916

This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in and out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length 14", barrel diameter 1", shipping weight 1 lb.
This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in and out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length 14", barrel diameter 1", shipping weight 1 lb.

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$34.95 Each
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Hand Driven Centrifuge - for 2 tubes
Hand Driven Centrifuge - for 2 tubes
14541

Single speed. This centrifuge consists of a substantial cast-iron body enclosing a steel pinion and worm drive fitted with a ball-thrust race. It comes with a removable crank handle and one thumb screw clamp to clamp the machine to a table. The head has captive union rings to accommodate 15 ml buckets. The body is baked in a hammertone finish. Complete with plastic buckets and glass centrifuge tubes.
Single speed. This centrifuge consists of a substantial cast-iron body enclosing a steel pinion and worm drive fitted with a ball-thrust race. It comes with a removable crank handle and one thumb screw clamp to clamp the machine to a table. The head has captive union rings to accommodate 15 ml buckets. The body is baked in a hammertone finish. Complete with plastic buckets and glass centrifuge tubes.

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$60 Each $75.00 Each
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Hand Generator Activity Book
Hand Generator Activity Book
12637

The manual contains detailed illustrations and explanations of 24 hands-on experiments that can be conducted using the GENECON and the GENECON Kit. Concepts covered range from circuit types to principles of electromagnetism. This is a must-have manual for every science curriculum.

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$7.95 Each $12.95 Each
Hand Held Generator
Hand Held Generator
16953

The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear plastic housing allows students to watch the coils, terminals, and gears. Students get a hands-on demonstration of the Second Law of Thermodynamics. Includes activity guide.
The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear plastic housing allows students to watch the coils, terminals, and gears. Students get a hands-on demonstration of the Second Law of Thermodynamics. Includes activity guide.

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$16.95 Each
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Hand Magnifier - 2"
Hand Magnifier - 2"
11947

Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.

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$2.36 Each $2.95 Each
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Hand Magnifier - 3"
Hand Magnifier - 3"
11948

Good quality, one-piece plastic frame magnifying glass. Glass lens.
75mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.

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$3.96 Each $4.95 Each
Made in the USA
Hand-Held Flags - Set of 4
Hand-Held Flags - Set of 4
SA842M

When it comes to ensuring the safety of students and pedestrians, every detail matters. That's why our hand-held flags are the perfect tool for crossing guards, traffic controllers, and safety personnel.

Crafted with care, in the USA, each flag features a vibrant 16-inch square nylon design that commands attention and ensures visibility even from a distance. Attached to a sturdy 1-inch diameter PVC handle, these flags are lightweight and easy to grip and maneuver, providing ultimate control in directing traffic flow.

Set includes red, blue, yellow, and orange flags 

  • Event Management: Perfect for event organizers and staff to manage crowds and direct attendees at school functions, sports events, or assemblies.
  • Emergency Preparedness: Essential for emergency responders and security personnel to signal evacuation routes or designate safe zones during drills or real emergencies.
  • Parking Lots: Useful for parking attendants to guide vehicles efficiently, especially during drop-off and pick-up times at schools.
  • Outdoor Education: Handy for outdoor educators to lead groups during nature walks, field trips, or outdoor learning activities.
  • Campus Tours: Valuable for tour guides to lead prospective students and visitors around campus, highlighting points of interest and important landmarks.
  • Sporting Events: Great for coaches and referees to signal plays, fouls, or timeouts during sporting events or physical education classes.
  • Crowd Control: Essential for security personnel to manage crowds during special events, performances, or assemblies held on school grounds.
  • School Bus Loading Zones: Helpful for bus drivers and staff to ensure orderly loading and unloading of students at designated bus stops or loading zones.

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$74.95 Set
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Handicap Sign with Impact Recovery Post
Handicap Sign with Impact Recovery Post
SS128P

These Impact Recovery Sign Posts are more durable than steel posts, and are designed to withstand bumper hits and return to original position, without damaging the sign or vehicle. The unit’s anti-twist reactive spring assembly rebounds the panel to its upright, forward facing position when struck. Overall height of unit is 60”. Posts and panels are constructed of flexible plastic that is resistant to UV light, ozone and hydrocarbons.

The 5’ high Handicap Parking Sign is perfect for high traffic parking lot locations and is especially useful for lots without car stops. The 12” x 18” sign is MUTCD compliant, and utilizes engineer grade sheeting with blue and green ink.

Recommended Uses:
• Parking Lots
• Parking Garages
• Raised curb parking spaces

Base NOT included (Order separately as noted below)

Post w/ Fixed Post Spring
Use with SS672P Surface Mount Fixed Base.

Post w/ Quick Release Post Spring
Use with SS673P Surface Mount Quick-Release Base.

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$179.95 Each
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Health & Nutrition (DVD)
Health & Nutrition (DVD)
D084

In Health & Nutrition, students learn that what we eat is critical to our overall health, from our cells to our senses to how we feel. Cells need nutrients to function properly, and we get them from the foods we eat. Viewers will be treated to a complete rundown of essential nutrients, including carbohydrates, fats, proteins, vitamins, minerals and water. The concept of a balanced diet is stressed, along with a full presentation of the Food Guide Pyramid and a segment on the importance of exercise for maintaining good health. Includes an interview with a nutrition expert and a fun hands-on activity in which kids actually measure and compare the amount of energy stored in different foods. One of ten volumes in the Human Body in Action DVD Series in the Schlessinger Science Library. Part of the Schlessinger Science Library in Action Collection. This title is based on the concepts outlined in the National Science Education Standards for Life Science: structure & function in living systems, reproduction & heredity, regulation & behavior, and diversity & adaptations of organisms. A Teacher's Guide is included and available online. 23 minutes. Grades 5 to 8.

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$35.95 Each $39.95 Each
Heat Absorption Apparatus
Heat Absorption Apparatus
16895

To study and demonstrate heat absorption and radiation. Consists of two metal concave plates one white and the other painted black with thermometer holders on the back, and in-between is a lamp, heat source. When the lamp is switched on and the temperature is measured of the metal plates, it can be studied which one absorbs heat quicker and more than the other. After the lamp is turned off, we can also study which losses heat quicker. Lamp operates on 12VDC. Base Size 7.75" x 7.75" x 0.5". Metal plates are 3.75" in dia. Total height of unit 5.5". One bulb included, thermometers not included.
To study and demonstrate heat absorption and radiation. Consists of two metal concave plates one white and the other painted black with thermometer holders on the back, and in-between is a lamp, heat source. When the lamp is switched on and the temperature is measured of the metal plates, it can be studied which one absorbs heat quicker and more than the other. After the lamp is turned off, we can also study which losses heat quicker. Lamp operates on 12VDC. Base Size 7.75" x 7.75" x 0.5". Metal plates are 3.75" in dia. Total height of unit 5.5". One bulb included, thermometers not included.

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$35.50 Each
Heat Transfer Kit
Heat Transfer Kit
15230

Students fill one container with water at room temperature and the other with boiling water. A thermometer is placed in each container and the water temperature in both cups read before heat transfer. The metal bar is then immersed in the cups, and students observe heat lost by boiling water and heat gained in the cooler water. Each kit includes: 2 insulated containers; 2 insulated lids with slots; 1 U-shaped aluminum transfer bar; 2 thermometers 20 degrees to 110 degrees. Additional materials required: low-temperature thermometer.
Students fill one container with water at room temperature and the other with boiling water. A thermometer is placed in each container and the water temperature in both cups read before heat transfer. The metal bar is then immersed in the cups, and students observe heat lost by boiling water and heat gained in the cooler water. Each kit includes: 2 insulated containers; 2 insulated lids with slots; 1 U-shaped aluminum transfer bar; 2 thermometers 20 degrees to 110 degrees. Additional materials required: low-temperature thermometer.

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$33.95 Each
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Heavy-Duty Speed BumpHeavy-Duty Speed Bump
Heavy-Duty Speed Bump
SS264D

• 39"L X 14"W X 2"H Middle Section
• 7"L X 14"W X 2"H End Section
• Reduce vehicle speeds 5-10 mph without tire or vehicle damage.
• Temporary or permanent installation on concrete or asphalt.
• Lightweight and flexible, it conforms to contours of road surface.
• Built to last, withstand over 2,000 psi pressure and won't chip, break or crack
• Easily transported and fast installation without the need for heavy equipment.
• Heavy duty product; Backed by a 2 year warranty;
• Can be installed by a single person with light tools
• Do not require repainting
• Easily movable and removable
• 2 year warranty against materials defect


A Speed Bump is a raised device, which is placed across a roadway to reduce vehicle speeds 5-10 mph. This option is ideal where vehicle speeds are expected to be lower. Order two end pieces and the appropriate number of middle sections to span the width of roadway.

Place in strategic locations on the street, in parking lots, around schools, on private residential thoroughfares or anywhere traffic calming is necessary. It slows traffic effectively without tire or vehicle damage. Use to control traffic speed during public events, gatherings, or special events. Temporary or permanent installation on concrete or asphalt. Mastic or anchor pins available as specified. Lightweight and flexible, it conforms to contours of road surface. Economical and built to last, ENVIROform speed bumps withstand over 2,000 psi pressure. Easily transported and fast installation without the need for heavy equipment. Features: Heavy duty product; Backed by a 2 year warranty; All Speed Bumps and Speed Humps are uniformly made; Can be installed by a single person; Maximum visibility; Do not require repainting; Installed with light tools; Easily movable and removable; Does not chip, break or crack; Long wearing; Environmentally friendly; Promotes recycling awareness; 2 year warranty against materials defect; Custom configurations to your needs.

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From $39.95 Each
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Heavy-Duty Speed HumpHeavy-Duty Speed Hump
Heavy-Duty Speed Hump
SS266D

• 23.5"L X 18.5"W X 1.25"H Middle Section
• 10"L X 18.5"W X 1.25"H End Section
• Reduce vehicle speeds 10-20 mph without tire or vehicle damage
• Ideal for schools and other areas where pedestrian safety is a concern
• Temporary or permanent installation on concrete or asphalt
• Lightweight and flexible
• Conforms to contours of road surface
• Withstands over 2,000 psi pressure
• Won't chip, break or crack
• Backed by a 2 year warranty
• Can be installed by a single person with light tools
• Does not require repainting
• Easily movable and removable
• 2 year warranty against materials defect


A Speed Hump is a raised device, parabolic in shape which is placed across a roadway to reduce speeds to 10-20 mph. These are wide devices ideal for schools and other areas where pedestrian safety is a concern. Order the appropriate number of sections to span width of roadway. Place in strategic locations on the street, in parking lots, around schools, on private residential thoroughfares or anywhere traffic calming is necessary. It slows traffic effectively without tire or vehicle damage. Use to control traffic speed during public events, gatherings, or special events. Temporary or permanent installation on concrete or asphalt. Mastic or anchor pins available as specified. Lightweight and flexible, it conforms to contours of the road surface. Economical and built to last, ENVIROform speed bumps withstand over 2,000 psi pressure. Easily transported and fast installation without the need for heavy equipment. Features: Heavy duty product; Backed by a 2 year warranty; All Speed Bumps and Speed Humps are uniformly made; Can be installed by a single person; Maximum visibility; Do not require repainting; Installed with light tools; Easily movable and removable; Does not chip, break or crack; Long wearing; Environmentally friendly; Promotes recycling awareness; 2 year warranty against materials defect; Custom configurations to your needs.

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From $51.95 Each
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Heavy-Duty Yellow Rain PonchoHeavy-Duty Yellow Rain Poncho
Heavy-Duty Yellow Rain Poncho
SA892P

• Heavy duty material, .35mm PVC/Polyester
• One size, 40" length , 100" circumference
• Attached hood
• Side snap closures

PVC/Polyester (.35mm) fabric provides comfort and durability. These heavy-duty rain ponchos measure 52" x 80". Has attached hood with draw string.

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From $15.95 Each
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Hexagonal Weight - 1 oz.
Hexagonal Weight - 1 oz.
14959

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1 ounce, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$0.88 Each $1.10 Each
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Hexagonal Weight - 1/2 lb.
Hexagonal Weight - 1/2 lb.
14961

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1/2 pound, non-rolling hexagonal mass is made of steel, and feature a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$2.20 Each $2.75 Each
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Hexagonal Weight - 1/4 lb.
Hexagonal Weight - 1/4 lb.
14960

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1/4 pound, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$1.56 Each $1.95 Each
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Hexagonal Weight - 100g
Hexagonal Weight - 100g
14955

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 100 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$1.56 Each $1.95 Each
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Hexagonal Weight - 1g
Hexagonal Weight - 1g
14953

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$0.44 Each $0.55 Each
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Hexagonal Weight - 200g
Hexagonal Weight - 200g
14956

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 200 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$2.20 Each $2.75 Each
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Hexagonal Weight - 500g
Hexagonal Weight - 500g
14957

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 500 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

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$5.56 Each $6.95 Each