A small and versatile motor and driver set. This 5 VDC stepper motor controlled by the ULN2003 driver can be used with any Arduino® or compatible boards via jumper leads. Four-phase LED indicates the status of the stepper motor.
Find the hidden crystals when you open your own geodes from this fun set.
Create beautiful art with this amazing sun paper!
View the glory of space with this hi-tech telescope set!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This hanging Galileo thermometer is a gorgeous way to display the temperature outdoors!