Sainsmart Jr. 3D Wooden Puzzles for Adults, Electric Marble Run Large
Engaging 3D Wooden Puzzles – Build it with 291 pieces and 8 marbles, Dive into the world of creativity with intricate 3D puzzles that challenge and delight adults.
SainSmart Jr. 3D Length: 19.00 cm, Width: 24.00 Height: 6.20 Wood
No splinters, just top-notch quality for lasting DIY creations. Constructed with 112 pieces and 4 marbles, this 3D puzzle is motor-driven and incredibly cool. Gears propel the marbles to the top, sending them racing through different channels.