1、4 Pack Toy Cars Set: 4 Pack Toy Cars Set: 4PCS take apart engineering vehicle toys set with Screwdriver, 4 different construction vehicles, your kid need to learn how to assembly the Drilling Rig, Loader, Excavator, Road Roller and more.Great toy cars for 2-7 years old to learn different types of vehicles.2、Safe Material: Your kid’s safety is always the top in top priority for us. The 4 set baby toy cars are made of non-toxic plastic material. It can be ensured safe and healthy. No harm to kid, without little parts, no sharp edges or cuts or splinters, which is safe and healthy for human beings and pets, especially for kids.3、Take Apart Toys: Learning while playing, your children need to build the construction vehicles by yourself, all the accessories are included. The take apart engineering vehicle toys set helps to develop hand-brain coordination ability, practical ability, concentration, basic thinking, management ability and teamwork.4、No Batteries Needed: Friction-powered toy cars, no batteries needed, push the friction car forward slightly then it will go and last for quite a long distance. Cars' size is designed for kid boys girls hands, easy to grab and play.5、Great Kids Toys: Highly recommend for 2-7 yr old kids kid. It is perfect gifts for Christmas, Children's Day, Birthday, Thanksgiving Day, and Easter.