joyin 8 pack push-and-go monster friction powered truck toy big wheels with stunt park car playset joyin super value pack. our monster play truck set includes 8 different design monster cars with hot wheels and cool stunt parking feature. <p>real function. our kids monster jam truck vehicles your kiddos can engage in imaginative play for hours, enhance fine motor skills, educational play and more! our push-and-go cars have friction-powered wheels. <p>endless fun. sparking the imagination with our push-and-go cars friction-powered monster set! it’s ideal for boosting your child’s hand-eye coordination and motor skills! perfect gifts for various conditions. <p>premium quality & safety. child safe: non-toxic, non-bpa and lead-free durable abs plastic. meet us toy standard. safety test approved. our products have shockproof springs that can withstand rough use and bumps on the wall! <p>customer satisfaction. providing a 100% satisfaction experience is our main priority to our customers. feel free to message us through “contact sellers” if products don't meet your expectations. the celebrations start at joyin!