With the help of this book, children can have fun impressing family and friends with all kinds of cool electronic gadgets and contraptions. All the while, they'll be learning about electricity and radio waves. In addition to making these irrestible projects, children are encouraged to create their own inventions.Ideal for middle school children, these useful and whimsicial contraptions can be made wiht inexpensive, easu-to-find materials such as recycled toy parts and motors, flashlight batteries, and other everyday household items. Simple-to-build gadgets and contraptions include: remote-controlled fanmousetrap alarmcanned laughter"someone's outside my door" lightwireless magic tricksEach thought-provoking activity comes with complete, clear instructions, but that's not all. Plenty of suggestions are included for varying and changing each project to help children brainstorm their own cool inventionns.
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Book Description McGraw-Hill, 1996. Paperback. Book Condition: New. book. Bookseller Inventory # 0070116598
Book Description Book Condition: Brand New. Book Condition: Brand New. Bookseller Inventory # 97800701165971.0