Plastic Dynamic Cart Set, Excellent upgrade from the traditional wooden or metallic carts, Each

Details

Pair of single-piece, virtually unbreakable ABS carts can be used for a variety of precision experiments.Body mounted on set of three low-friction nylon wheels to produce straight-line travel over long distancesLockable spring-load punch has two levels of compression, activated by trigger knob on cart topCushioned cart surface supports addition of more masses to increase effective weight of cartCarts are stackable to create single cart of two or three times the basic cart massVelcro™ rear pads enable study of inelastic collisio