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Candy Claw Machine Maker Lab Puzzles Agates of Lake Superior: StunningStep right up and try your luck with the Candy Claw Machine! Can you grab the sweet prizes before time runs out? This hands on engineering challenge lets you build your own working model of the classic claw machine just like the ones in arcades! With gears, cranks, levers, and hydraulics, youll control the claw arm to move it left, right, forward, and back to grab a sweet treat or prize. The spring loaded trap door even shoots out your prize once its