Kettenreaktionsmaschinen selber bauen: Wie man verrückte Geräte herstellt mit...
19,70 €
Build Your Own Chain Reaction Machines : How to Make Crazy Contraptions Using Everyday Stuff--Creative Kid-Powered Projects!, Paperback by Long, Paul, ISBN 1631595261, ISBN-13 9781631595264, Brand New, Free P&P in the UK Provides instructions to construct thirteen machines out of household objects, including ones that move a light switch, open a door, water plants, and dunk cookies.
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