Bumper Class Gears Pack

Learn all about gears with this unique bumper pack! Contains: 10 x each of 10, 20, 30, 40 and 50 tooth 2mm gears, plus 2mm bevel gears and interlocking racks, 10 x each of 10, 20, 30, 40 and 50 tooth 4mm gears, 4mm bevel gears and interlocking racks, 5 x 2mm steel axles and 5 x 4mm steel axles.