An enjoyable fitness challenge for children is available from WebMD. The challenge is presented as a browser-based Flash game that includes 10 fitness activities. Children must complete each activity as fast as they can, using the in-game timer to time their results.
The challenge includes 10 activities, such as hopping, running, sit-ups and push-ups. Each time the child restarts the challenge, the activities are presented in a different order.
Instructions for other fun fitness activities are available from HowStuffWorks. The site includes instructions for games such as Jumping Jack Flash, Milk Bottle Workout and Frantic Flying Disk, which are simple activities that do not require a lot of equipment.