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Wave Demonstrator Set
Wave Demonstrator Set
14773

Set includes two helical springs and a length of cotton string. The long narrow spring measures 3/4" x 72", and can be extended to 5 meters. Larger spring measures 3" x 4". Can be extended many times its length without distortion. Includes activity guide. Shipping weight: 2.5 lbs.
Set includes two helical springs and a length of cotton string. The long narrow spring measures 3/4" x 72", and can be extended to 5 meters. Larger spring measures 3" x 4". Can be extended many times its length without distortion. Includes activity guide. Shipping weight: 2.5 lbs.

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$19.25 Each
Medium-2XL
West Chester® Yellow Rain JacketWest Chester® Yellow Rain Jacket
West Chester® Yellow Rain Jacket
SA576P

• Made with 0.35mm thick PVC and polyester fabric
• Detachable hood with drawstring
• Storm flap front with snap closure
• 2 flapped front pockets with snap closures to secure valuables
• Cape vented back
• Corduroy collar for comfort

• Available in 4 Sizes
• Available with or without CROSSING GUARD Emblem on Back


This bright yellow rain jacket is made of tough .35mm PVC and polyester fabric. Corduroy lined collar for comfort. Coat has cape-vented back . Includes detachable hood.

Chest Length Sleeve
Medium 56 in. 30.5 in. 32 in.
Large 58 in 31.5 in. 33 in.
X-Large 60 in. 32 in. 34 in.
2X-Large 62 in.  33 in. 35 in.

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From $12.50 Each
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5 Sizes
Wide Mouth Reagent BottlesWide Mouth Reagent Bottles
Wide Mouth Reagent Bottles
16118

These polypropylene bottles are rigid, translucent and have excellent contact clarity. These bottles can be autoclaved filled as well as empty. The polypropylene cap has a built-in seal ring to make these bottles leak proof. 

Size Height Neck Diameter ID/OD Pack Size
60ml 73mm 20mm / 25mm
Pack of 12
125ml 100mm 27mm / 32mm
Pack of 12
250ml 137mm 35mm / 41mm
Pack of 12
500ml 149mm
35mm / 41mm
Pack of 12
1000ml
218mm
35mm / 41mm
Pack of 6

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From $11.95 Pack
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Windsor Electronic Whistle - 1 Tone
Windsor Electronic Whistle - 1 Tone
WH058P

Personal safety & signaling device. Loud consistent sound every time. Referees and coaches find it easier to give verbal commands without a whistle in their mouth. Each set of "AAA" batteries produces more than 1000 blasts. Loud 105-dB whistle sound can be aimed in the exact direction intended and away from user. Hand operated instead of mouth blown for better hygiene. 4" long.

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$20.95 Each
Windsor Electronic Whistle - 3 Tone
Windsor Electronic Whistle - 3 Tone
WH059P

• Personal safety & signaling device.
• 3 Tones (including Pealess Whistle) – Grey with Black trim 
• Loud 105-dB 
• Each set of AAA Batteries produces more than 1000 blasts 
• Whistle sound can be aimed in the exact direction intended, and away from user 
• Loud, Consistent Sound Every Time, even if user is short of breath or injured 
• Hand operated instead of mouth blown is sanitary, even for multi users

Personal Safety & Signaling Device for Crossing Guards, Referees, Coaches, Hikers, Hunters, Campers, Senior Citizens, Joggers, and anyone who could benefit from carrying a whistle. Electronic whistles make it easier the user to give verbal commands without a Whistle in their mouth, yet with Whistle sound always “at the ready”.

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$21.95 Each
Small-3XL
Women's Break-Aaway Reflective Vest (Pink)Women's Break-Aaway Reflective Vest (Pink)
Women's Break-Aaway Reflective Vest (Pink)
SS474P-S

Hi-viz pink breakaway vest. Does not meet ANSI requirements. 2 interior open waist pockets that will hold a 5.5" cell phone. 100% polyester tricot. Hook & loop front closure. 2" AwareLite reflective trim.

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$17.95 Each
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Wooden Test Tube Rack - 16 Hole
Wooden Test Tube Rack - 16 Hole
15161

Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.

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$13.20 Each $16.50 Each
Workhorse® 2D Industrial Light with Red Wand
Workhorse® 2D Industrial Light with Red Wand
SF740P

Prismatic reflectors for full, even light pattern, perfect for professional working conditions. Brighter beam with a 100% brighter Krypton bulb. Toolbox-tough polypropylene construction resists impact, gas, grease, chemicals, water, corrosion. Scratch-resistant, break-resistant lens. Full lifetime warranty. Made in the U.S.A. Switches torture-tested to 100,000 on/off cycles. Resistant to extremes of temperature and humidity. Great for night-time traffic or pedestrian control. Visible at 50 yards. 8" polyethylene wands have removable end caps for directing beam of light. Uses 2 "D" Batteries.

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$10.50 Each
Writable Globe
Writable Globe
16685

This 24" inflatable writable globe has a white background with outlined countries. The ball may be used over and over again with a wet erase marker (not included) to test your students geography skills.

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$12.95 Each
X-Back Breakaway Vest (Class 2) (Lime)X-Back Breakaway Vest (Class 2) (Lime)
X-Back Breakaway Vest (Class 2) (Lime)
SS478P-M

ANSI Class 2 lime vest. 5 Point Breakaway. 100% polyester tricot. Hook & loop closure. 2 exterior waist pockets, 1 interior waist pocket. X on back side helps indicate which way the wearer is facing. Mic tabs on both sides. AwareLite reflective trim. Conforms to ANSI/ISEA 107.

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$17.95 Each
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X-Back Breakaway Vest (Class 2) (Orange)X-Back Breakaway Vest (Class 2) (Orange)
X-Back Breakaway Vest (Class 2) (Orange)
SS479P-M

ANSI Class 2 orange vest. 5 Point Breakaway. 100% polyester tricot. Hook & loop closure. 2 exterior waist pockets, 1 interior waist pocket. X on back side helps indicate which way the wearer is facing. Mic tabs on both sides. AwareLite reflective trim. Conforms to ANSI/ISEA 107.

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$17.95 Each
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Youth Nylon Pinnie (Red) w/ Safety Patrol Emblem
Youth Nylon Pinnie (Red) w/ Safety Patrol Emblem
SF173P

This red pinnie with SAFETY PATROL emblem screened on both sides is constructed of nylon and stitched at edges to prevent fraying. Completely washable. 44" x 11 1/2" size. Elastic waist strap allows fit for all sizes.

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$10.95 Each
Youth Nylon Pinnie (Yellow) w/ Safety Patrol EmblemYouth Nylon Pinnie (Yellow) w/ Safety Patrol Emblem
Youth Nylon Pinnie (Yellow) w/ Safety Patrol Emblem
SF174P

This yellow pinnie with SAFETY PATROL emblem screened on both sides is constructed of nylon and stitched at edges to prevent fraying. Completely washable. 44" x 11 1/2" size. Elastic waist strap allows fit for all sizes.

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$10.95 Each
Zinc metal, lab grade, mossy - 500g