3 x LARGE sets of Techno Gears Marble Mania by The Learning Journey
Price REDUCED for QUICK sale! * Techno Gears Marble Mania is a great STEM toy that develops fine motor skills and problem solving skills * All sets come with instructions and are in excellent condition (each set only built once, maybe twice) * Set A: Techno Gears Marble Mania Extreme 2.0 - over 330 pieces - photos 2-3 - in original box - here's a video of how this set works: https://www.youtube.com/watch?v=TU1ePHaaGVc * Set B: Techno Gears Marble Mania Whirler - over 100 pieces - photos 4-