The most popular activity, the most common and available to all is biking or cycling. Any child can practice it provided you have a bike. Bike chain was invented in 1870 and since then, due to the development of science and technology, all bikes have evolved for us to benefit from the most reliable models. Now there are various types of bikes: mountain bike, bike path or bike track. Kids nowadays are no longer just simple thanks but bike rides, they run true acrobatics, extreme jumps, spectacular cycling thereby raising the level of art. It's wonderful that we can enjoy these acrobatic performances involving but hard work and sacrifice. Kizi thought to meet the sports lovers of games attractive, exciting and always new for you, dear nostril, you can practice in front of the computer, not just in outer space.