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TOY INVENTOR’S NOTEBOOK

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Invented and drawn by Bob Knetzger

Root Beer Pong Bot

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WHEN MAKING PROTOTYPES, I OFTEN “kit bash” broken toys to harvest useful components like motors, gear trains, or radio-control transmitters and receivers. No need to reinvent the wheel — literally!

SmartLab’s new toy robot, ReCon 6.0 Programmable Rover, is a tempting hack. Open it up and you’ll find lots of cool stuff inside, including a nifty dual-motor drive module with ...

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