Clown Head Ball Puzzle

After making all the ball puzzles, we realised that we needed an interesting way to sort them in such a way as to give a combination for a lock. The original idea of using buoyancy failed, so I quickly came up with this prop taking heavy inspiration from carnival clown games. The mechanism for this…

Dart Board Puzzle

This is a puzzle that I quite enjoyed coming up with, it has a nice old world feel to it. It’s simply a channel behind a dart board, with a magnetic plunger that releases a key when the magnetised medal is placed on it. The channel and plunger are 3D printed, there is a magnet…

RFID Puzzle

This is a simple swap the object puzzle using RFID and Arduino. Each RFID reader is connected to an Arduino Nano, and the two puzzle modules communicate via a high/low logic state single wire connection. This way the two modules only need a light gauge 3 core wire in order to power and communicate with…

3D Printed Egg Candler

I’m currently incubating some bantam chicken eggs and wanted a candler so that I can see how the chicks are progressing. It’s dead simple to build, all you need is a miniature Osram LED globe, an old power cord, and a miniature on/off switch. I scrounged all of my bits from throw-outs, with the exception…