Pay in 4 interest-free payments of $32.17 Learn more
Ships within 48 hours · Estimated delivery Oct 12 - Oct 17
28m up to 3
Incredibly useful in schools
With blunt end Needle
Comes fitted with a polytetrafluoroethylene (PTFE) plastic plunger key stopcock affording low friction use while resisting chemicals
Chalkboard option provides another element of play
Gearbox With Motor 184721 28m up to 3Combined motor and gearbox unit especially designed for educational use. Motor operates between 1. 5 and 6V DC. Includes interchangeable gears, giving a range of speeds and motor torques. Clear polycarbonate housing provides mounting for both the motor and gears. Full instructions for calculating gear ratios etc are included. Shaft 4mm diameter.
US$ 17.95
US$ 44.90
US$ 39.90
US$ 44.90
US$ 44.90