This handy battery shield can be used to power all of your science and electronics hobby projects. Great for teachers - no more wasting AA batteries! Just re-charge your 18650 lithium battery over night and you are ready for a full day of class room experiments. With outputs of 3V and 5V DC you can use this shield with a variety of circuits with lightbulbs, buzzers, DC motors, LEDs, etc.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This glass Erlenmeyer mug makes an excellent gift!
The Wimshurst Machine is a high quality static machine for student labs.
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Build over 100 exciting electronic projects with this easy to use kit!