_:nc3bef8dc6b4e40d2b34c6793fec07b90xb0
<http://schema.org/description>
"Challenge your child to construct the paths, ramps, and dominoes that your marble can roll through. They will have fun problem-solving while they figure out how to get it to the end. Sturdy, hardwood blocks with grooves and holes can be combined in a variety of ways. \n\nPerfect marble run ball track for beginners\nEarly introduction to the laws of physics and engineering\nSTEM play favorite\nExpand the system with a wide range of marble run accessories sold separately\nCompatible with all building systems &amp; wooden building blocks\nCrafted in Germany\n\nIncludes: 4 ramps, 12 square blocks, 5 rectangular blocks, 3 redirection blocks, 2 columns, 12 domino blocks, 6 marbles, 1 instruction booklet\nMaterials: Beech wood\nCrafted in Germany."
<https://www.habausa.com/collections/wooden-toys/products/marble-run-starter-set>