Developed by Walter Kraul, a German science teacher dedicated to introducing children to the laws of physics in a fun and meaningful way, these kits combine play and learning most creatively.
The Block & Tackle Pulley Kit comes with the necessary materials and detailed instructions. In most cases, they will take less than one hour to complete. For ages 10 and up.
⚠ WARNING CHOKING HAZARD - Small Parts. Not for children under 3 years.Read More