Inertia Drive Design: No batteries required. Simply pull back lightly and release, the vehicle will automatically forward with inertia. Safe and environmentally friendly, suitable for 1-6 years old kids. 【3 Kinds of Vehicle Types】There are 3 kinds of realistic construction and transportation vehicles for container truck, fence truck and flat bed truck. Both have a two-tier platform construction and a high-capacity cargo design that draws your interest in urban traffic and logistics. 【Safe and Durable Material】Made of high quality ABS plastic, smooth edges and no burrs. The car body is shockproof, rubber tires are quiet and will not scratch the floor. Suitable for indoor and flat surfaces Intellectual and Early Education Effect: Through pushing, pulling, grasping and observing vehicle movements, the hand-eye coordination, sensory perception, hands-on thinking and crawling exercises, it stimulates parent-child communication and interest development. Specifications and contents: Single item size: Approx. 10.2 x 3.0 x 3.3 inches (25.8 x 7.7 x 8.Package size:26*15*18cm Weight: Approx. 3.3 lbs (1.5 The City Luxury 3-Piece Set includes one of each of the three vehicles listed above. Does not include sound or light functions. Some images are for illustration purposes only. Please note that the actual product may vary