Make a battery of mini-launchers designed to fling small objects safely. All you need are everyday items and some adult help. Then take aim and launch! Make several and use them on your own medieval battlefield. Bite-sized facts explain how these small launchers have been used through history too!
- ISBN:
- 9781512420265
- 9781512420265
-
Category:
- Educational: Technology
- Format:
- Epub (Kobo - Fixed Layout), Epub (Kobo), Epub (Adobe)
- Publication Date:
-
01-08-2016
- Language:
- English
- Publisher:
- Lerner Publishing Group
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