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5SHEAVES-B39
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
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From $11 /pack
BALSCALEP
Educational balance scale with plastic weights for young scientists.
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From $35 /unit
Gauss Rifle (Magnetic Linear Accelerator)
High-speed steel ball launcher using magnetic chain reaction.
Rubber Stopper, 1 Hole (Full Pack, Any Size)
Flexible sealing solution for laboratory and industrial use.
Rubber Tubing, Amber, Natural, Wide 5/16" Id & Thick Wall
Amber latex tubing, 5/16" ID, thick wall, sterile.
Replacements Sheaves Black, Set Of 5
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
Educational Balance Scale (With Plastic Weights)
Educational balance scale with plastic weights for young scientists.
