Magic Clock kit
The magic clock starts with a special key, and has a pendulum with a hidden slot for coins, which can be adjusteed with the weight of the coins.
The operation time runs for about 10 mins.
Made from Birchwood ply and rubber bands.
A beautiful centrepiece on anyones shelf, take your time assembling.
Mechanical kits like this are a great distraction from everyday stresses - they're tricky enought that you have to focus on what you're doing, giving a bit of relief from constant internal chatter!