✅What’s Include – Our construction toys includes 200 PCS flexible track components, 2 race cars, 4 mini construction truck, 8 traffic signs, 2 trees, and a bridge. Advanced configuration for your little kids to build their own construction kingdom! ✅6 Different Types of Construction Trucks – We have configured 6 simulation engineering cars with unique designs and functions. Includes haul truck, excavator, road roller, cement truck, and 2 racing cars. Perfect gift for 3 4 5 year olds boy. ✅More Accessory, More Ways to Play – Race car can cross the bridge, and the track pieces can be flexed, snapped to form various different track shapes. Each truck has moveable working arms. Children can pretend to do all kinds of construction jobs with these trucks and will spend hours working on creative and imaginative play. ✅Create Your Own Road – Using the Y-shaped track, the arc tracks, and the bridge, this STEM construction toys helps your kids fly his/her imagination to build his/her own track world on there own, which help them overall develop, limit screen time, make time for healthy hands-on play. Safety & Detailed First – Conforms to US toy standards. Made of toxic-free materials, safety always comes first. Each construction track is in a unique design and perfectly fit in kids’ hands, portable to carry in the pocket to play everywhere.