Refine

view all

Filter By

Main menu

Filters

$10 to $25

482 products

Showing 313 - 336 of 482 products
View
Introductory Rock Collection
Introductory Rock Collection
16808

Provides a primary presentation of the basic rock types. Includes five each of igneous, sedimentary and metamorphic rocks, totaling 15 specimens, approximately 1.5" x 1.5". Grades 6-12. Ages 11-18.

Learn More
$21.50 Each
Iodine solution, Starch test - 500ml
Iodine solution, Starch test - 500ml
13411

Used as starch indicator, biological stain and chemical reagent. This iodine is laboratory grade and cannot be used for food or medical purposes. 500ml.

Learn More
$19.50 Each
Kjeldahl Bulb w/ Stoppers
Kjeldahl Bulb w/ Stoppers
16075

• Kjeldahl Bulb with #2 Stopper
• Borosilicate glass
• Sold in eaches
• Easy handling
• Efficient


Kjeldahl Bulb w/ Stoppers

Learn More
$13.00 Each
Save 20%
Lab Tray - Large
Lab Tray - Large
16140

Multi-Purpose polypropylene molded trays can be used for sterilizing, drying glassware, porcelain ware, and other laboratory supplies. These steam autoclavable trays have tapered walls designed for nesting. 450mm x 350mm x 75mm

Learn More
$16.40 Each $20.50 Each
Save 20%
Lab Tray - Small
Lab Tray - Small
16141

Multi-Purpose polypropylene molded trays can be used for sterilizing, drying glassware, porcelain ware, and other laboratory supplies. These steam autoclavable trays have tapered walls designed for nesting. 375mm x 300mm x 75mm
Multi-Purpose polypropylene molded trays can be used for sterilizing, drying glassware, porcelain ware, and other laboratory supplies. These steam autoclavable trays have tapered walls designed for nesting. 375mm x 300mm x 75mm

Learn More
$10.80 Each $13.50 Each
Lampboard w/ 3 Lamps
Lampboard w/ 3 Lamps
15934

For series and parallel experiments. Mounted on strong clear acrylic base. 3 lamp holders. Connecting bus bars allow for easy changing from series to parallel. Complete with 3 standard flashlight size lamps. Size: 5" x 10". Bulbs may be purchased separately.
For series and parallel experiments. Mounted on strong clear acrylic base. 3 lamp holders. Connecting bus bars allow for easy changing from series to parallel. Complete with 3 standard flashlight size lamps. Size: 5" x 10". Bulbs may be purchased separately.

Learn More
$20.95 Each
Large Snap-On Cone Sign - CAUTIONLarge Snap-On Cone Sign - CAUTION
Large Snap-On Cone Sign - CAUTION
SF036P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - KEEP LEFTLarge Snap-On Cone Sign - KEEP LEFT
Large Snap-On Cone Sign - KEEP LEFT
SF045P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - KEEP RIGHTLarge Snap-On Cone Sign - KEEP RIGHT
Large Snap-On Cone Sign - KEEP RIGHT
SF040P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - LANE ClosedLarge Snap-On Cone Sign - LANE Closed
Large Snap-On Cone Sign - LANE Closed
SF039P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - No Left TurnLarge Snap-On Cone Sign - No Left Turn
Large Snap-On Cone Sign - No Left Turn
SF038P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - No Right TurnLarge Snap-On Cone Sign - No Right Turn
Large Snap-On Cone Sign - No Right Turn
SF037P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - SLOWLarge Snap-On Cone Sign - SLOW
Large Snap-On Cone Sign - SLOW
SF035P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - SLOW, CHILDREN AT PLAYLarge Snap-On Cone Sign - SLOW, CHILDREN AT PLAY
Large Snap-On Cone Sign - SLOW, CHILDREN AT PLAY
SF032P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Large Snap-On Cone Sign - Two-Way ArrowsLarge Snap-On Cone Sign - Two-Way Arrows
Large Snap-On Cone Sign - Two-Way Arrows
SF034P

12" Wide x 13 1/4" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Learn More
$18.95 Each
Lens Cleaner
Lens Cleaner
16538

Cleans optical glass surfaces, leaving a clear non-streaking finish. 2 oz. bottle.
Cleans optical glass surfaces, leaving a clear non-streaking finish. 2 oz. bottle.

Learn More
$16.95 Each
Lenz's Law Demonstration
Lenz's Law Demonstration
16880

An efficient and easy way to demonstrate Faraday's Law and Lenz's Law. To show and teach how a magnet when passed thru the complete loop causes the loop to move and when passed thru the cut loop causes no movement. 6"H x 7"W. 2.25" Diameter loops.

Learn More
$11.95 Each
Leyden Jar
Leyden Jar
15931

Learn about static electricity and the function of a dielectric with this device. Two aluminum jars-one with an attached aluminum electrode- and one plastic jar are used to collect the charge. Assembled device is 6" tall and 3 1/4" in diameter.

Learn More
$17.95 Each
2 Sizes
Liebig Condenser
Liebig Condenser
15102

These Borosilicate Glass Liebig Condensers find wide usage in the laboratory such as distillation, reflux operations, extraction etc. Sealed inner tube, large capacity of water jacket gives efficient cooling. Sized by effective length. 22 mm diameter.

Learn More
From $12.80 Each
Choose options
LIGHTSPECS Vindicator LED Lighted Safety GlassesLIGHTSPECS Vindicator LED Lighted Safety Glasses
LIGHTSPECS Vindicator LED Lighted Safety Glasses
SS534P

• LED Lighted Safety Glasses featuring impact resistant lenses
• High quality, lightweight glasses withe ultra bright LED’s concealed in the temples
• Perfect for DIY, Home Improvement, or any other activity needing LED lighting
• Canted inward to shine the light exactly where you need it
• Provides light output of 32 Lumens
• Battery life of 50 hours (Batteries Included & Replaceable)

LIGHTSPECS Vindicator LED Lighted Safety Glasses combine ANSI 287.1-2010 rated, impact resistant, and stylish safety glasses with ultra bright LED's to provide the perfect accessory for any do-it-yourself project. The LED's are concealed in the temples and provide more than 32 Lumens of light. The LED's are canted inward to shine the light exactly where you need it without leaving any dark spots. Batteries Included. Polycarbonateframe and lenses. Weight: 1.90oz. Battery type: CR1632. Battery Life: Up to 50 Hours.

Learn More
$19.95 Each
Limewater solution - 4 liters
Limewater solution - 4 liters
46534

Limewater solution is commonly used for testing the presence of carbon dioxide in gaseous samples in school laboratories, and refining of sugar in a process called carbonatation. 4 liters.

Learn More
$16.50 Each
Magnesium chloride, reagent, crystal - 500g
Magnetic Marbles
Magnetic Marbles
16745

A rainbow of 5/8" magnetic marbles that sometimes attract each other and sometimes repel. Used by the Astronauts in experiments in space.

Learn More
$24.95 Set
Save 20%
Magnifier 5x Illuminated LED
Magnifier 5x Illuminated LED
16863

Excellent for Biology use or General use in the Lab. Strong acrylic construction. 5x Glass lens 3" (75mm) diameter. Magnifying area illuminated by 4 bright LEDs. Sides are transparent to let additional light in. Uses one CR2032 button cell, supplied. Includes semi hard zipped case.
Excellent for Biology use or General use in the Lab. Strong acrylic construction. 5x Glass lens 3" (75mm) diameter. Magnifying area illuminated by 4 bright LEDs. Sides are transparent to let additional light in. Uses one CR2032 button cell, supplied. Includes semi hard zipped case.

Learn More
$18.36 Each $22.95 Each