Focuses on types of toys and shows the scientific principles and mechanisms that make them work. This work features photographs with arrows and labels to indicate directions of forces; and includes a glossary, further reading, and appropriate weblinks.
- Limba : Engleza
- Data Publicarii : 25 Apr 2006
- Format : Paperback
- Numar pagini : 32
- ISBN : 9780431049755
DISPONIBILITATE INCERTĂ: Cere detalii