Description Unique Design:This bike building block set according to bicycle prototype design, the bicycle has a foldable design, with a pump and a lock, exquisite craftsmanship, lifelike shape, independent color box packaging, more attractive to children. Perfect Gift for Boys:Delight boys and girls who love technic motorcycle and inspire their enthusiasm for a green lifestyle. This is an ideal birthday or special occasion creative gift for 6-10 years old boys and girls. STEM Educational Toys:As part of the QLT sets, this mountain race bike model kit provides an immersive and rewarding building experience. With realistic features, it introduces builders to the world of bicycles, as they discover the principle of the coordinated working of gears and chains. MULTIFUNCTION:You can turn the pedals of a bicycle and drive the rear wheels like a real dirt bike, put this speed champions sets on your desk and play it with your fingers enjoyable. Exquisite for Technic Set:The bicycle set makes a striking display piece in any kids bedroom. Made of ABS material with high security level. No smell, smooth without burrs, colorful and solid.