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Build Your Own Chain Reaction Machines
9-12 år
pocket,
2018,
Engelsk,
ISBN 9781631595264
With Build Your Own Chain Reaction Machines, you’ll create 13 zany and awesome mechanical contraptions using stuff from around the house.Build Your Own Chain Reaction Machines …
Energy Lab for Kids
9-12 år
pocket,
2017,
Engelsk,
ISBN 9781631592508
Energy Lab for Kids offers 40 discovery-filled and thought-provoking energy projects by Emily Hawbaker, a science educator from the NEED (National Energy Education Development) …