Engino STEM Mechanics Gears & WormDrives
Review: 5 - "A masterpiece of literature" by , written on May 4, 2006
I really enjoyed this book. It captures the essential challenge people face as they try make sense of their lives and grow to adulthood.

Engino STEM Mechanics Gears & WormDrives

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$58.22
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The Gears & Worm Drives teaches how gears can easily reduce or increase speed, change force or transfer motion. Fun and Education. Learn the effects of force and speed. STEM educational. 12 models you can build. Step-by-step instructions.

The Gears & Worm Drives teaches how gears can easily reduce or increase speed, change force or transfer motion. Fun and Education. Learn the effects of force and speed. STEM educational. 12 models you can build. Step-by-step instructions.