Young marble maniacs create elaborate tracks with this set that features quarter round turns, U-turn slides and more.

• Includes 150 pieces (24 quarter round turns, 50 magnetic square track tiles, 32 long straight slides/supporting columns, 12 straight slides, eight U-turn slides, four centripetal funnels, five slopes, four equilateral triangle, four isosceles triangles, six steel-weighted marbles and one square)
• Imported