Track Cars for Kids 4 Pack Tracks Cars Compatible with Most Tracks Glow in The Dark Toy Magic Cars with 5 Flashing LED Lights for Most Race Tracks Light Up Car Accessories

?A Set of 4 Light up Race Cars?   ?Specification?   Blue bus Car: 3.7*2*2.2 inches   Green Car: 3.7*2.1*2.2 inches   Yellow School Bus: 3.6*2*2.2 inches   Red Rescue Vehicle: 3.7*2.1*2.1 inches   Weight: 2.82 oz for each car   ? Do these glow cars contain batteries? What battery do the cars need?   ? These Light up cars do not contain batteries, each car requires 2 AA batteries.   ? What will I get?   ? You will get a set of Blue bus Car+Green Porsche Car+School Bus+Red Rescue Vehicle, a FREE screwdriver.   ?The glow  cars set can be played by 4 people at the same time.   ?There is always a  car that is a child's favorite.   ?Share happiness with brothers,sisters and friends.Enjoy the fun of exchange.   ?5 LED lights alternately, the best toy car gift for kids!   Kindly Tips   should play under the direct supervision of adults.   Please don't swallow the small parts and don't put finger or hair near to the back wheel.