1.Our products are various components connected by screws and / or nuts, you can easily disassemble or assemble, can improve cyclists' interest and ability. The parts are made of metal and quantity is 95 pcs.
Our products is @Alpha teaching kits in south korea, is also teaching materials in France.
2.This product has brake system and shock damping system. The most materials is zinc alloy.
3.Children above 8 & youngsters will get their logical thinking ability, imagination and hand-on ability developed while their fingers are excised. It also develops the children & youngsters' interest and ability in mechanical creation, being good companion for children & youngsters.
4.being a sparetime killer good for accomplishment in self-cultivation especially among the aged and sedentary. It also helps enhance the brain and delay the brain aging process.