Let little ones explore STEM concepts while having fun with the MindWare Q-BA-MAZE 2.0 Rails Extreme Marble Maze Building 138-Piece Set. The set includes straight-away rails, double-exit cubes and 30 steel marbles to offer hours of fun.
- 7-1/2" straight-away rails offer easy connection to any cube.
- Double-exit cubes allow randomness.
- Comes with 82 cubes, 18 straight-away rails, 4 coaster tubes, 4 marble catchers and 30 steel marbles.
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