Dinosaur-Themed Race Track Toys - Our dinosaur race track toys includes 144 track pieces, 2 race cars, 4 dinosaur trucks, 2 dinosaur, 8 traffic signs, 1 bridge, 1 door and 7 other track accessories. Advanced configuration for your little kids to build their own dinosaur kingdom! The race car requires 1 AA battery - not included. | 6 Different Types of Dinosaur Trucks & 2 Dinosaurs - We not only configured 4 realistic dinosaur cars with unique designs and sliding functions and 2 racing cars but also configured 2 dinosaur models (1 Tyrannosaurus Rex and 1 Triceratops), children can experience the dinosaur track more realistically Have fun and spend hours playing creative and imaginative games. | Easy To Assemble - The dinosaur race track pieces are dynamic and can twist left or right, which when the entire race track is pieced together, allows a lot of flexibility, and makes a new track layout for different variations. Perfect toys gifts for 2 3 4 5 year olds boys girls dinosaur lovers. | Create Your Own Road - Using the dinosaur track, the arc tracks, and the bridge, these STEM construction toys helps your kids fly his/her imagination to build his/her own track world on their own, which helps 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, BPA-free, safety always comes first. Each construction race track is in a unique design and perfectly fits in kids' hands. Gifts for 3 4 5 year old boys.