Pulleys

Have you met the Fixer? He can build and fix anything. He has written this book (well, we wrote it for him, he doesn''t have any hands) to tell you how to put your building and engineering skills to the test. Featuring simple layouts and lovely illustration, this book will teach you how to build toys and machines using simple mechanics and engineering.

Maße: 25.0 x24.9 x0.5 cm