STEP 1: Have an adult use the box cutter to cut the pool noodle down the center, in half, lengthwise. STEP 2: Using the double-sided tape, attach one of the pool noodle halves to the wall to design a ...
Which marble run is best? Marble runs are rolling ball sculptures you build yourself. You assemble tracks in all kinds of wild configurations and watch as the marbles roll down hills, around corners ...
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