Make: Compressed Air Rockets Kit


Building this rocket launcher is a breeze, and folks are always amazed at how it shoots reusable paper rockets 200–300 feet high. The launcher is made from PVC pipe. You pressurize its chamber to 75psi with about 18 strokes of a bicycle pump, then release all the pressure in a... Read more »

Drum Kit Kit


The kit contains the electronic parts required to make a drum kit. This includes the circuit board, resistors, diodes and pins. You supply the Arduino and the material to make the actual drum pads. Below you will find easy instructions for making traditional-looking drum pads, but you could also stick... Read more »

Guitar Strap Gamepad


If you’re playing Rocksmith (and I think you should be), and you’re playing standing up (ditto), you have probably run into the “where do I put the controller” problem. The gamepad is required to navigate the menu system between songs, and if you play in a standing position you have... Read more »

Invisible Glass Photography


Recently, I needed a special photograph for my Soda Can Label Embossing project. I wanted to show a long embossed label arranged in a spiral, so that both the front and the back of the label were visible, in order to show off both the clear embossed text on the... Read more »

$4 Hot Air Balloon


On a June afternoon in 1978, while most normal kids were focused on sports or getting Dad’s car keys, I was busy readying another one of my quixotic contraptions, made out of junk-at-hand, for its maiden voyage. Assisted by a good friend who also enjoyed such nerdy pursuits, I stoked... Read more »

Robot-Headed Valentine Box


The robot-headed valentine box is basically a cardboard box that has a few electronics inside. This is perfect for a valentine box, especially for kids. You just put the valentines through the mouth, and access them at the back. This is also a very fun craft to do so let’s... Read more »