Gears, Teach students all there is to know about gears, Each

Details:

Gear sets offer 40-, 30- and 20-tooth gears With 3/16 bore to accommodate the most popular dowel sizePlus a 12-tooth gear with a push-fit to 2mm motor shaftsThree inserts are provided on each sprue, allowing the bore to reduce to 3mmGears are beveled for 90° meshing40-tooth gear has an additional hole to create an eccentric movement, or to use with a crank handleOrder InfoAvailable in 152 and 300 piece mixed color sets.