Ø Metal
Ø Wire
Ø Wood
Ø 6 Volt Lantern Battery
Ø Centrifugal fan (or another source of airflow)
Ø Wheels/Axles/Gears
Ø Water
Ø Compressed Air
Ø Syringes
Showing posts with label Resources. Show all posts
Showing posts with label Resources. Show all posts
Friday, September 11, 2009
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