1. 16,000mm rails included 2. Create yourself rollercoster like rails with 360-degree flip overs, steep drop and climbs, sharp high-G turns, etc 3. Control speed, angle, timing by arranging your own railway 4. Steel space balls 5. Learn physics hands on 6. Endless rail design possibilities 7. Use 1xA Battery (no include) 8. Size: 71x20x36cm 9. The Size of the color box: 39.6×28.5×8.3cm 10. Level 3 Specification: Package Weight One Package Weight 1.36kgs / 3.00lb Qty per Carton 3 Carton Weight 5.10kgs / 11.24lb Carton Size 40cm * 29cm * 24cm / 15.75inch * 11.42inch * 9.45inch Loading Container 20GP:…