Tamiya Fun Craft Series Rack Pinion Gear Set 70235 No.235 &

fun craft series Gear set that converts rotational motion into linear motion Can be applied to various crafts such as moving like a forklift or sliding the gearbox itself. Approximately 170mm long, 10mm wide rack gear x 2, 42T pinion gear x 2, L-shaped arm x 4 Also includes plastic nuts and screws. Target age: 10 years old and above