close up of ends of various small heat shink tubes
Heat shrink is the duct tape of electronics, it keeps your stuff all safe and kept together. Especially when wiring and soldering, use heat shrink to add mechanical strength to cables. We use this stuff all the time and having a zip-lock bag of all the possible sizes is super...
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A Black woman's manicured hand holds a round microcontroller with lit up LEDs.
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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...
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High Torque Metal Gear Micro Servo  with three pin cable
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Add more power to your robot with this metal-geared MG90D servo. The tiny little servo can rotate approximately 90 degrees (45 in each direction) and works just like the standard kinds you're used to but smaller. You can use any servo code, hardware, or library to control...
$9.95 each
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Angled shot of Premium Female/Male 'Extension' Jumper Wires - 40 x 6 (150mm)
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Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts...
$3.95 each
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Spool of PLA filament for 3D printers - black color with 2.85mm Diameter.
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“Black is modest and arrogant at the same time. Black is lazy and easy – but mysterious. But above all black says this: 'I don’t bother you – don’t bother me'.” – Yohji YamamotoHaving a 3D printer without filament is sort...
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Angled shot of a Lithium Ion Polymer Battery 3.7V 500mAh with JST-PH connector.
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Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 500mAh for a total of about 1.9 Wh. If you need a larger (or smaller!) battery,
$7.95 each
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Glamor shot of Ultimaker 3 3D Printer
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The Ultimaker 3 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 3 is designed to create the most effortless and reliable 3D printing experience ever! 
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