Hape Quadrilla Wooden Marble Run Construction Stack Track

STEM concepts come to life with the high-speed fun of this Quadrilla marble run set! Kids will build their very own track and then let the marbles "run" as they watch physics and engineering in action. From Hape International, Inc. Includes 64 marble run pieces, 25 marbles, and cotton bag Compatible with other Quadrilla marble run sets (excluding E1100, E1101, and E1102), sold separately Ages 4 and up; warning: small parts choking hazard; not for children under 3 Measures 17.32" x 17.32" x 7.28" Imported