by Cliff Moon (Series Editor), Gill Matthews (Author), Cliff Moon (Series Editor), Gill Matthews (Author), Collins Big Cat (Primary Contributor), Sylvia Karavis (Author)
How does a yo-yo climb back up its string? Why does a boomerang come back to you? And how does a kaleidoscope work? These and other mind-bending questions are answered in this explanation text about how toys work.
Format: Paperback
Pages: 24
Publisher: Collins
Published: 05 Jan 2005
ISBN 10: 0007186274
ISBN 13: 9780007186273