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Brian Brainteaser is an inventor. In his laboratory, he creates the most awesome machines, devices, gadgets, and mechanisms, from an automatic TOOTH BRUSHER to a robot that does your homework, and from a MEGA MUSIC-MAKING MACHINE to a POPCORN POPPER DELUXE. But what’s the greatest invention of all time? Stimulate your imagination with this wonderful search-and-find book! For clever inventors ages 5 years and up.

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