An ideal gift for the budding mechanical engineer, this kit features a unassembled gear box with a motor, two sets of gears, metal shafts, gearbox, and other accessories. Using different gear settings, you will have the opportunity to construct boxes functioning at two different speeds andgear ratios.- 1:60 and 1: 288. Recommended for ages 12 and up.
WARNING: Choking Hazard - Small parts. Not for children under 3 years.