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Today I finally completed the model waterwheel, which is designed to encourage kids to pester their parents for coins to drop in. The wheel is very free on its bearings, and even a 5p coin will turn it. The whole is protected by a perspex cover - I had a lot of fun cementing that together. The coins fall in and strike a bell, so there is a very satisfactory series of clunks followed by a "ding"! |
