These marbles are the perfect size and weight for maximum track performance, and they come in red, yellow, blue, and green. Each marble has a diameter of 24.5 mm.

Our modular and compatible marble runs are designed to stay put, so your kids can focus on the fun. They promote spatial intelligence and an understanding of fundamental physical concepts like acceleration and gravity. Wether with an instruction booklet or with free play, constructing a marble run stimulates working memory, and improves the capacity for analytical thought. And best of all, we’re building on an existing system to extend its life in the childrens room.

Like all products from Hubelino, the Marble Set is manufactured in Germany under the highest quality standards.

• 100% compatible with building blocks from other manufacturers: All Hubelino products fit perfectly with the building blocks from other well-known manufacturers and thus optimally complement the existing stock of building blocks at home
• Made in Germany for excellent product quality: All Hubelino products are manufactured exclusively in Germany to the highest quality standards
• Playful learning with STEAM building sets: Hubelino’s products focus on a balanced relationship between play fun and learning effect. That’s why the development of new products always focuses on learning content and, through clever design, becomes a toy with added educational value