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$69.99
– Handcrafted marble set with a swingback rail wall.
– Build it with 219 building pieces and 10 marbles.
– Consists of a crane lifter as an elevator, swingback rails, 2 straight rails, 2 curve rails, a flip-flop as a switch to drive marbles to 2 paths.
– Learn principles of Science, Technology, Engineering and Mathematics(STEM).
– Precise laser cutting ensure you a fluent building experience.
– Assembled size: 255 x 229 x 204mm.
– Recommended age: 14+
– Makes a great gift for family and friends.
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ROKR Marble Explorer is based on great human engineering. They combine the beauty of science and machines, involving so many small gadgets. Build the set and crank the handle, watch marbles run crazy down the slopes and twisting turns.
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