Super STEM Marble Madness
$310.99
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Highlights 240 pieces 3 action accessories Clear instructions Develop critical skills The Super STEM Marble Madness set is the new level of marble run design. This is such a developed and complex marble run construction kit that seems challenging but is actually quite straightforward. It is perfect for young and creative minds to put to work. Your kids will spend hours and days crafting and executing their own personal marble runs. It takes time to make the ultimate marble run, so we have made sure that our instructions are completely clear. Information Product Dimensions: 13.5 x 13.5 x 7 inches Item Weight: 9.75 pounds Manufacturer Recommended Age: 8 years and up
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