Pulley, Single Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Educational Light Cube (2014), Ages 3+, rugged cube is portable, durable and rechargeable. It even strobes, flashes and changes color with the touch of a button, Includes: 1 cube, 16 x 16 x 16in (40 x 40 x 40 cm), power source, remote control and teacher guide
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