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Diet Coke and Mentos Kit
Recreate the Internet sensation in your own backyard! Fresh from their performance at Maker Faire, the guys at EepyBird hand-crafted replica PVC nozzles just like the ones they use themselves. Each kit contains a variety of nozzle cuts to give you the coolest, highest-shooting geysers. They even throw in a pack of Mentos to get […]
Toys & Games: Coke Zero, Diet Coke, fountain, Games, geyser, Mentos, Science, toys
littleBits Starter Kit
The littleBits kit is like Lego for basic circuits. Each “bit” is a small circuit board that enables a single electronics component or electronic function, like a potentiometer, light sensor, LED, or motor. The bits snap together magnetically with edge connectors that are color-coded to indicate their general role within a circuit; for example magenta […]
Electronics and Controllers: circuits, electronics, kids, starter set
Herbie the Mousebot
I built this Mousebot with my son, who had just turned 10. At first, I had to show him how to solder and helped him align the sides (not too easy), but by the end he was doing all the work himself and enjoying the “toughness” of the assembly. This kit is simple, but it […]
Boe-Bot Robot and Gripper
I bought my first Boe-Bot over 10 years ago. I’ve dropped it, stepped on it, even lost it behind the couch for three months. Nothing seems to faze this thing. The Boe consists of an aluminum frame, upon which two servomotors, a battery holder, and a BASIC Stamp 2 microcontroller board are mounted. Over the […]
Tabletop Catapult, Ballista, and Trebuchet
These three great starter kits for making small tabletop siege weapons pack quite a kick. They’re simple to build, and include well-documented, easy-to-follow instructions. All components are made of quality materials accurately machined and drilled. The Ballista kit (pictured) is built of laser-cut hardwood and is a real blast to assemble and fire. It’s a bit more difficult […]
Siege & Ballistics: ballistics, desktop, siege, tabletop, wood
Egg-Bot
The Egg-Bot is an art robot designed by Bruce Shapiro that’s fun to watch as it draws intricate designs on eggs or any other round objects 3cm–10cm in diameter, including ornaments, golf balls, and light bulbs. You design the patterns in the free app Inkscape, and the bot draws them using fine-point Sharpies, engraving tools, […]
Electronics and Controllers: arts, crafts, electronics, robotics
The Dice Kit
This is a fantastic introductory electronics kit that comes with your choice of large red or green LEDs and everything else needed (aside from a soldering iron, solder, and flush cutters) to make one electronic 6-sided die. (The manufacturer says: “The name Dice Kit sounds a great deal better than ‘Die Kit’, so we bent […]
Red Blinky POV
This kit is amazingly cool and easy to use. POV (persistence of vision) displays show words or patterns that seem to float in mid-air; if you’ve ever seen one, you know what a great effect it is. A line of LEDs flashes the Y component of what you’re displaying, and you provide the X by […]
Mozzarella Cheese Kit
I would happily eat my weight in cheese, so the idea of having fresh mozzarella whenever I want has very strong appeal. This kit makes it as easy as buying a gallon of (not ultra-pasteurized) milk. The clear instructions take any mystery out of the chemistry, and I went from hot milk to perfect curds […]
Getting Started with Arduino Kit v3.0
The world of Arduino microcontrollers can be a challenge to break into — but not if you’re equipped with this kit, which includes all of the hardware you need to work through each of the experiments in Getting Started with Arduino, the popular introductory book by Arduino project co-founder Massimo Banzi. To make it even […]
Electronics and Controllers Microcontrollers: Arduino, electronics, microcontrollers

