This book has clear, easy-to-understand instructions with lots of b&w pics for each project and a few color pages in the middle with the finished projects. The purpose of the projects is to show how various mechanisms work: cams, gears, pistons, actuator, intermittent drive, etc. There are 16 mechanisms, one moves marbles and the rest just move when you turn the handle. There are no dancing figurines, just the movements, which make lovely displays all by themselves. The mechanisms have great educational value. The author clearly explains what each mechanism is, how it works, and how it has been used in machines.
Can't wait to get started on some of the projects. Trying to get my youngest grandson into "Making" instead of "taking apart" things that interest him.
Verified purchase: Yes | Condition: Pre-owned
This book was a real find. It has some mechanical motions that are hard to find. Not only was it available but at a particularly good price.
Great thanks
Verified purchase: Yes | Condition: Pre-owned
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