
The United Scientific® Miniature DC Motor is a small DC motor that runs on 1.5 V or 3 V and reaches 7000 to 11000 RPM. It measures about 40 mm long by 20 mm in diameter, has an 8 mm by 2 mm shaft, and comes with soldered-on 4 in wire leads. Teachers and students use it in battery-powered circuits, science projects, and as a replacement motor for classroom kits.