A truly mesmerizing marble-track experience! The paths cut out of each track widen almost imperceptibly from one end to the other, creating an invisible slope that propels the marbles forward. Watching them go is like magic in slow-mo!
A unique, open-ended marble-run building experience; Watching them go is like magic in slow-mo!
The paths cut out of each track widen gradually to propel the marbles forward with mesmerizing grace
Great for ages 8 and up; High-quality materials and design - pieces fit easily into place
Encourages spatial reasoning, creativity, engineering skills, problem-solving, critical thinking
Choose the starter 43-piece, builder 73-piece, or deluxe 124-piece set; All sets are fully compatible with each other