Features and purposes This set comes with 16 assorted mini pull back engineering cars, friction powered. Kids will just love them. Our funny pull back car toys are perfect for theme party, birthday present, party favors, creative gift. You can also put them into the Easter eggs for Egg Hunting. An ideal gift for your little one. They are also classic learning and educational toys for children to help kids build sports ability at early age and exercise hand-eye coordination ability when playing this car toy set. Also perfect to help kids improve color and shape recognition abilities. Specification SIZE- Approx. 3 x 1.5 inches. Mini engineering cars in different shapes have different sizes, see pictures for details. MATERIAL- Plastic COLOR- Yellow black and gray Package includes 16 assorted pull back construction vehicles