Recycling train

The Project

I have worked with Lego trains and tracks. It is special that there is only 1 engine, integrated in the train. A gear on the train connects with another gear when the train drives into a machine. So I have programmed a complete transport system. Here's the idea behind it: the orange balls are batteries that need to be recycled. They are transported to the factory in train wagons. There they are recycled. The raw materials can then be reused for new batteries. That's good for the environment. The whole system does not require a lot of electricity, because the gears do all the work.

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