Circuit Playground Express is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to...

Wanna improve the connection strength between your project's 3D-printed parts, and also have nice clean surfaces? Instead of gluing bits together, or screwing plastic screws directly into your 3D prints, use strong and reusable machine screws and heat-set inserts. Heat set inserts are only...

You have a Circuit Playground Express, but you need to mount it to your charming cardboard robot friend, eh? Not so easy if you don't have a set of standoffs! In this kit comes:6 x M3 12mm brass hexagonal...

Here's another addition to our growing family of AA battery holders. Behold! A holder for four (4) AA batteries! It's got a 5" long power cable with a 5.5/2.1mm DC jack at the end, an On/Off switch, and, oh yes,...

Whaddya got a screw loose or something?This 3/8" to 1/4" Adapter Screw is super handy if you're building projects that connect to a tripod or a camera. It's a simple fix for getting a tripod with a 1/4" machine screw...

The Ultimaker 2+ is one of our favorite 3D printers on the market. It's a well-built open-source compact machine with an excellent UX. Every inch of the Ultimaker 2+ is designed to create the most effortless and reliable 3D printing experience ever!