Amazon.com : Ultraverse Roller Skate Trainer, Skating Learning Aid & Support with Adjustable Height for Teens and Kids, Boys or Girls, Learn Balance on Inline Skates for Beginners - Matte Blue :
Amazon.com : Skate Trainer - Roller Skater Aids to Learn Skating Independently, Skating Protective Gear for Boys and Girls to Avoid Falls & Injuries, with Thickened Steel Pipe and Universal Wheel, Bright