This construction kit, available at Petrosains SHOP, offers a sturdy and tight-fit design, ensuring that your marble maze remains intact during play. The kit includes 6 different colors of glow in the dark glass marbles that add an exciting visual element as they move through the maze. It also provides a UV light for quick marble recharging. Convenient storage is facilitated by a storage bag and marble pouch, keeping all the construction pieces and glow in the dark marbles organized in one place. As a great STEM toy recommended for ages 8 and above, the kit includes a learning guide that covers topics such as the physics of motion and aerodynamics. Additionally, the kit offers high-quality educational toys, and the company stands behind its products with exceptional service, ensuring customer satisfaction.