Author of the best-selling The Way Things Work, has invented a completely new and original way to learn about science! Children learn about and apply various scientific principles to design and build their own exciting pinball games, using springs, hot air balloons, gears, and more as the bumpers and obstacles in their games.
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Author of the best-selling The Way Things Work, has invented a completely new and original way to learn about science! Children learn about and apply various scientific principles to design and build their own exciting pinball games, using springs, hot air balloons, gears, and more as the bumpers and obstacles in their games.
Read Less