Model: 559887
How does a cone gear wheel, a belt drive or a rack and pinion drive work? What happens if the gear ratio changes? Young researchers can discover the answers to these and many other questions through 15 models and twelve experiments. The models are quick and easy to build in the classroom, and the pr..
€404.96
Ex Tax:€404.96
Showing 1 to 1 of 1 (1 Pages)