If your project needs a more powerful motor, the answer might be the Lego M motor. This kit includes 2 Lego M motors, a Lego battery pack and all the componets need to connect a lego motor to an arduino, a Raspberry Pi or a micro:bit.
The how to for this kit using a microbit is here.
For a Raspberry Pi go here.
Lego Motor Add On
$15.99Price
We are closed thru the new year. Orders will ship on Jan 3.
2 - Lego M motors
1 - Lego Battery Pack. 9 volts. Requires 6 AA (1,5V) batteries, not included
4 - Lego breadboard connectors
1 - 400 Pin Solderless Breadboard (Medium)
1 - 170 Pin Solderless Breadboard (Small)
2 - L2936 motor controller Integrated circuits
10 - M-F Jumper wires