however, there was not any help given on how to do that. add barn door to second bedroom. or perhaps you want to put your skills on these specific areas to the test? our gymnastics staff monitor this open gym playtime; however, you are the coach in this class and must stay with your child at all times. wheel bearings are found inside of wheels, allowing the wheels to spin freely, and are connected to the brake system. to learn more about these services, or for information on anything else we provide, give us a call on (03) 9686 2566. 