Thames & Kosmos Gecko Run: Marble Run Snake Expansion Pack, Toy Model Kit for Creative Runs, STEM Toys to Foster Problem Solving Skills, Playable Only with Starter Set, Age 8+

ADDS FLEXIBLE SNAKE-LIKE TRACKS: Introduces winding, snake-shaped tracks that add complexity and excitement to marble runs. COMPATIBLE WITH STARTER SET: Designed to enhance existing Gecko Run kits, offering new design possibilities. PROMOTES CREATIVE AND LOGICAL THINKING: Kids learn about momentum and track design while experimenting with curves and turns. EASY TO SET UP WITH RESIDUE-FREE NANO-ADHESIVE: Allows secure, no-mess installation on various surfaces. SUITABLE FOR CHILDREN AGED 8+: Combines engaging play with STEM learning benefits., Manufacturer: Thames & Kosmos