You can listen to this audiobook in formats: WMA, WAV, MPEG4, FLAC, AIFF, WMA Lossless, Shorten, MP3 (compression AZW, IMG, ZIP, RAR, LZ, ARJ)
Total pages original book: 24
Includes a PDF summary of 2 pages
Duration of the summary (audio): 3M20S (1.02 MB)
Description or summary of the audiobook: Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines ramps and wedges, and uses simple language and labeled photographs to explain the scientific principles behind their use.
Other categories, genre or collection: Technology, Science, Children's Hobby & Gaming Books