Explains why some toys need batteries and how electricity makes toys and machines move and work. There is a blueprint at the end of the book to making a working model. This book is part of a series which uses toys to educate children about science.
| Author | Chris Ollerenshaw, Pat Triggs |
| Publisher | A&C Black |
| Year of publication | 1991 |
| Number of pages | 32 |
| Language | English |
| Format | Hardback |
| ISBN-10 | 713633557 |
| ISBN-13 | 9780713633559 |
| Illustrator | Peter J Millard |
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