Learn how gears can easily reduce or increase speed, change force, or transfer motion from one position to another. Build 8 working models, including an experimental crane, a gearbox, a carousel, a hand drill, a helicopter, a hand blender, a rotating sign post and a high speed fan. A 36 page activity book is included with innovative experiments and detailed explanations of the different technological principles applied! A booklet with detailed building instructions is also included.
 
We have records and even actual devices made by ancient civilizations that used gears in order to work! These devices were able to calculate the movement of the planes and start with great accuracy. Nowadays, gears can be found in variety of machines, from simple hand blender to cars and rockets. Enter the fascinating world of gears and explore the magic of Mechanical Science.
 
 
Age
9 - 14+