Stand upright with your feet together.
Jump upwards and open your legs outwards and at the same time bring your arms upwards you should be making a star pattern.
Land gently using your knees and hips to cushion the landing and then immediately spring back to the start position bring your arms down by your sides.
Continue in a fluid and controlled manner.
Note, if your flexibility permits, your arms can be raised above your head to clap your hands instead of stopping at shoulder height.