Scooter race idea- set up cones and use a plastic tube and/or pool noodle for a "gate" kids have to race through. Have them attempt by sitting, and again laying down to work on upper and lower body strength
10 Awesome Scooter Activities for Kids. Can be incorporated into playground time, music and movement, as well as gym time to develop motor skills. (Pediatric OT shares activities and the skills involved.