Lots of toys have springs inside them. You may have bounced on a spring in the playground. Some springs can climb down the stairs.
- ISBN10 140346829X
- ISBN13 9781403468291
- Publish Date 22 April 2005 (first published 20 April 2005)
- Publish Status Out of Print
- Out of Print 20 July 2021
- Publish Country US
- Imprint Heinemann Educational Books
- Format Hardcover (Library Binding)
- Pages 32
- Language English