Resumen del libro
Readers wont have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.
Ficha del Libro
- Número de páginas: 32
- Autor: Lisa Greathouse
- Tamaño: 1.59 - 2.14 MB
- Descargas: 1365
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