Looking for the ultimate marble run? You’ve found it! Many of our customers have repeatedly asked us to build an even bigger and fancier self-assembly wooden marble run 3D robotime puzzle. Here it is!

• Pieces: 294
• Assembly Time: 7H
• Difficult Level:⭐⭐⭐⭐
• Assembled Size: H: 12.8″(32.5cm)*W:8.4″(21.4cm)*D:9.0″(22.8cm)