how to build a go kart

{"title":"Electric Commercial Children Go Kart 120Km\/H With 3 Point Safety Harness","imgUrl":"https:\/\/img.chinax.com\/nimg\/0d\/0a\/e1cca1f38ee454e246dea954f177-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"EVKART","Model Number":"Competition Go Kart","Minimum Order Quantity":"1 set","Delivery Time":"15 work days","Certification":"FCC CE","Place of Origin":"Shenzhen, Guangdong, China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"100 Set\/Sets per Month","Packaging Details":"Standard packagin","Motor\u00a0type":"Double motors","Lithium\u00a0battery":"Special type lithium battery 48V\/25Ah*2","Transmission":"Chain drive","Charge\u00a0time":"About1h","Brake\u00a0system":"Front and rear double hydraulic disc brake","Running\u00a0time\u00a0at\u00a0full\u00a0power":"About 1h","Wheel base":"1050mm","Terrain clearance":"43mm"}}

{"title":"Hansel four wheel electric car electric motor for go kart plush ride on horse","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/78\/04ab5a761705d2fa9767f71e430e-200x200-1.jpg","attrs":{"Price":"USD370","Brand Name":"Hansel happy rides on animal","Model Number":"HS68 happy rides on animal","Minimum Order Quantity":"3 pieces","Delivery Time":"7 days after receiving the deposit","Certification":"CE","Place of Origin":"China Guangdong","Payment Terms":"T\/T 40% deposit and 60% before delivery","Supply Ability":"500 pieces per month","Packaging Details":"119*66*89cm\/carton","Material":"fireproof animal design plush cover,black paint steel tube frame (external diameter:23mm, thickness:","Gross weight":"32kgs for happy rides on animal","Bearing Capacity":"150kgs (Parents can rides with kids)","Speed":"30-60m\/min, the speed is related to the ground and weight of players. The more smooth of the ground,","Music":"In SD card, can change music by yourself","PU Wheel":"one 6 inch and three 4 inches wheel,stable and durable","Motor Power":"30W","Control box":"time ,coins , volume ,music control,1-9 coins to play 1-19 minutes","Coin Counter":"LED display, can not be cleared till 100000","Battery":"chargeable, 12v\/22A , charge 4-6 hours to play 6-8 hours","Charger":"12V\/1.5A charger, one charger for one machine","Player":"1-88 years, fun for all people"}}