Make your own toy vehicles or robots with this cool geared motor and wheel set.
Perfect for Arduino projects!
Included in this set: 1 x DC motor with gear box, 1 x wheel with rubber tire
(buy two or four sets if you are building a 2W or 4W drive.)
Build a model green house and 9 other green energy-related devices with this great kit!
Build 14 assorted solar robots, some of which can travel over water!
Is it a demonstration of a scientific law or a work of art?
Learn how solar cells transform light into electrical energy with this great kit!
Experience this sphere powered by the sun!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.