Description: 【DIY Dinosaur Track Set】: Dinosaur race tracks play vehicles toys allows children to build their own dinosaur themed amusement park.  【Interactive Toy】: Dinosaur race car track toys allowing children to easily change the direction of the cars. kids can play with parents to improve parent child relationship.  【Enhances Creativity】: With this DIY dinosaur toys set, children can create their own unique park layouts. They can place dinosaur and plant decorations along the tracks, enhancing their creativity while adding more fun to their  time. 【Material】: Dinosaur track  toy made of abs material ,which is durable for long term use, smooth.  【Gift】: Flexible track set is ideal gift for kids ,boys girls, children on birthday, holiday.  Specification: Large Dinosaur Car:2 AA batteries (not included) Small Dinosaur Car:2 AAA batteries (not included) Size Chart: Large Track Width:7cm/2.76inch Small Track Width: 6cm/2.36inch Large Dinosaur Car: 10cmx5cmx6cm/3.94inchx1.97inchx2.36inch Small Dinosaur Car: 9cmx4cmx5cm/3.54inchx1.57inchx1.97inch Large Dinosaur Head:23cmx9.5cmx14cm/9.06inchx3.74inchx5.51inch Small:Dinosaur Head:15.5cmx6.5cmx10cm/6.10inchx2.56inchx3.94inch 17cmx7.5cmx10cm/6.69inchx2.95inchx3.94inch Package Includes: 1 Set Dinosaur Race Car Track Toys Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!