The GraviTrax Kinetic Blast Marble Run Set is a STEM learning toy suitable for children aged 8 years and up. With 159 pieces included, this set allows for endless creative possibilities in constructing marble runs. The dimensions of the set are 13.3" W x 4.3" L x 13.3" H, and it weighs 4.3 lbs. Designed by Ravensburger, this board game challenges players to strategize and build their own unique marble run courses. The set includes light elements that are battery-operated for added play value. Ideal for both boys and girls, this toy encourages problem-solving skills and creative expression.
eBay