Buy the Low Step Trike and the 3 Wheeled Scooter together and Save. Children can enjoy using the Low Step Trike from as early as 1 year old, as they can push themselves forward with their feet before they begin to use the pedals. Size: Handlebar H520mm. Seat H240 x L650mm. Age Suitability: 1-4 Years.The 3 Wheeled Scooter features 2 wide based rear wheels giving maximum stability for optimum speed. Includes a non-slip footboard. Ideal first scooter. Size: Handlebar H580mm. Length 590mm. Age suitability 2 Years+.