Gears fascinate and enable translations into fast and slow. In industry, they are used, for example, in the mechanics of clockworks. The principle of gear shifting and clockwork becomes clearly understandable. Discover gearboxes, translations, and gear shifts. Experiment kit wooden gears with more than 90 individual parts and detailed instructions. For all young engineers and everyone who enjoys experimenting and building. Depending on prior experience, assembly is possible from 8 years old. Dimensions: Box: 30.5 x 15.5 x 3.8 cm Weight: 540 g