GREAT EARLY EDUCATION TOYS -- Push and go toys helps kids learn different colors, vehicles shapes and functions. Enhance baby's learning interest and curiosity, Stimulate their creativity. AWESOME FUN WITH 4-WD SYSTEM -- Push friction powered toys slightly, it'll go last for long distance. Children enjoy with happy engineering vehicles in playroom, sandbox and everywhere, transport of construction sites carrying sand and other materials. MULTIFUNTION -- Best Easter eggs fillers, Easter basket stuffers for kids, friends babys and kindergarten teachers. As toys, bday gifts, Christmas gift, early education toys, preschool props, teaching aids and so on.Hand-eye coordination and focus promoted. Blister packaged. SAFE & DURABLE-- Construction vehicles toys set is made of high-quality ABS plastic + alloy and other materials up to standard ASTM F963 & EN71. No Battery Required, 100% safe and Eco-friendly. 4 PACKS INERTIA TOYS -- 8.3in. Bulldozer + 6.5in. Tractor with a detachable trailer + 3.6in. Dumper + 3.6in. Cement mixer toys cars, Suitable for children ages 18 months and up.