helps in the development of kids tennis skills: using the proper racket helps in the development of stroke mechanics and technique. by doing these things, each one of us can be a hero! always step off the self balancing scooter backwards, not forwards, to avoid any ankle injuries. but for safety sake, keeping a chain sharpened is important, not to mention how much the performance is increased with a sharp chain. i got a headache from the lights if i clicked it too much. i can't wait to walk again next year! sometime he would even climb up into a crate and fall fast asleep. 