DC Motors Kit for Kids, 6 Set 159pcs Mini Electric Hobby Motor Strong Magnetic with Plastic Gears, Shaft Propeller, Plastic Wheels for DIY STEM Engineering Toy Science Project

AOMAG DC Motors Kit for Kids, 6 Set 159pcs Mini Electric Hobby Motor Strong Magnetic with Plastic Gears, Shaft Propeller, Plastic Wheels for DIY STEM Engineering Toy Science Project

GTIWUNG 8Pcs DC 1.5-6V 15000-16500RPM Mini Electric Motor for DIY Toys, 8PCS Mini Boat Switches, 8PCS 3V 2AA Battery Holder, 2PCS Red and Black 22AWG Cable 1m, 16PCS Croc Clips

RUNCCI-YUN 40pcs DC Motor Kit ，1.5-3V 20000RPM Mini Motor ，with 9v Battery Connector Motor Mounting Bracket Boat Rocker Switchfor DIY Science Projects（130 dc motor）