Removable Construction Truck Set - Designed for small engineering enthusiasts,includes a larger carrier truck and 4 small fire lifting truck/ladder truck/helicopter/plane.The working parts of 4 small vehicles can be rotated and moved, rich styles, DIY assembly.It is a perfect toy set for kids of 3 years and above.Children will be very pleasantly surprised when they receive this gift, because they all dream of having many vehicles. High-quality materials, smooth processing - We use environmentally friendly and non-toxic materials to make this fire-fighting toy.The mini engineering vehicle's size is specially designed for children's small hands.Sturdy and durable, round shape design, the surface is smooth, no burrs on the edge, will not scratch the child, baby can play with peace of mind. The wheels have no corners, will not scratch the wooden floor or tiles. Real Sound Effect and Light - Press the button on the top of the cab,the realistic whistle sounds and the bright car lights, like a real car start, enhance kids' gaming fun. Push and go, no battery required - Movable wheels, lightly push, the car will slide forward for a period of time. Inertial driving is durable and playful. The front wheel of the trailer adopts inertia and can move forward with a light push. Intellectual Enlightenment - This truck vehicles toy allow children to use their imagination, spend hours learning architecture while playing, children will become a little construction worker, who can improve skills such as shape recognition, listening training, eye-hand coordination, creativity, communication skills, creativity and enhance their hand-eye coordination and early development education.