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

COMPLETE CREATIVE MARBLE RUN SET: Comes with a comprehensive collection of parts for building intricate vertical marble runs. PROMOTES HANDS-ON STEM LEARNING: Helps kids explore physics, engineering, and problem-solving skills through trial and error. INCLUDES DETAILED INSTRUCTIONS FOR MULTIPLE DESIGNS: Encourages experimentation with various configurations and stunt elements. ENGAGES CHILDREN AGED 8 AND OLDER: Designed to balance challenge and fun for growing STEM enthusiasts. MADE WITH HIGH-QUALITY MATERIALS: Durable pieces ensure long-lasting play and repeated reassembly., Manufacturer: Thames & Kosmos