This Cleverclixx 100-piece Dazzling Lights Pack creates a vibrant, illuminated ball run and marble track that turns every build into a glowing race. Durable ABS plastic and BPA-free snap-together tiles combine with clear chutes to form sturdy towers, loops and swooping scoops for imaginative construction play. Light-up LED balls add color and motion to each descent, encouraging hands-on STEM learning, problem-solving and friendly competition. Compatible with other Cleverclixx building sets, This expansion pack unlocks larger layouts for solo challenges or group races and makes a striking display in any playroom.