A cherished selection at Acorn, this ingenious Cuboro marble run features 16 precisely crafted cubic elements with internal tunnels and symmetrically designed surface functions. These versatile blocks can be assembled into an extensive array of track configurations, from straightforward to intricate. It offers an elegant and engaging method to stimulate childrens problem-solving skills while introducing fundamental mathematical principles through interactive play. 16 Beechwood blocks 2\" x 2\" x 2\" cubes Made in Switzerland Ages 5
