Gears (Toybox Science)
Type
Book
Authors
ISBN 10
0713652292
ISBN 13
9780713652291
Category
Unknown
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Publication Year
1999
Publisher
Pages
32
Description
What are gears used for? In this book children can find out by looking at toys and other objects and then use the blueprint at the end of the book to build their own helicopter. - from Amzon
Number of Copies
1
