1 Wheel: one 6'and three 4"wheel, stable and durable 2Charger:12V/20A charger,one charger for one machine 3 certificate: CE Specifications:1. Weight: 45kgs2. Bearing Capacity: 100kgs (parents can seat with their kids)3. Dimension: 114*61*84 CM4. Packing size: 119*66*89 CM5. Material: steel frame, fireproof plush product6. Speed: 30-60m/min7. Time setting: 1 to 19 minutes for choice8. Counter: up ...