Kraul Pulley block

Kraul - Pulley - Lifting heavy objects with a pulley is no problem. Everyone knows what a pulley is, but few understand how it really works. With this experiment kit, various pulleys are designed and tested through play. Through force games and other tricks, you will learn in a fun way what a few wheels and ropes can achieve. It's not about how much strength you have, but how skillfully you use it! Have fun playing and experimenting. Experiment kit, suitable for ages 10 and up, box dimensions 15.7 x 11.7 x 4.6 cm, weight 330 g.