4PCS Pull Back Sanitation Vehicle Toy Set | Educational Kids Toys | Four Mini Sanitation Truck Models | Eco-Friendly Vehicle Series | Perfect Gift Toys | Battery-Free Design | Movable Joints | ABS Safe Material | Environmental Awareness | Parent-Child Early Learning Toy

• 【Four Construction Models】Set includes excavator, bulldozer, cement truck and crane models, each with movable parts to help children understand vehicle functions while stimulating imagination. • 【Eco-Friendly Friction Power】No batteries required - uses physical pull-back mechanism for automatic movement, introducing basic physics concepts in a fun, safe way. • 【Perfect Size for Kids】Each vehicle measures 7*5*5cm, specially designed for 3-6 year olds' small hands to improve fine motor skills through comfortable grip. • 【Safe & Durable Material】Made of high-quality ABS plastic with smooth, rounded edges that meet international toy safety standards for worry-free play. • 【Educational Development Toy】Enhances hand-eye coordination through pushing play, while role-playing encourages language development - a perfect blend of fun and learning.