Whiz Trainer with harness is for an average sized child 2-6 years old. Its durable and study (recyclable ABS plastic which will withstand very cold temperature without getting brittle), lightweight, folds down flat, portable, It has a safety harness which will catch your child if they fall. This will empower them and give them confidence to learn to skate without the fear of falling. Which will make the experience of ice skating fun for adult teacher & the child. Comes fully assembled! Free shipping’