Cora gives a few examples of burpee variations. While we have fun at Dfly, we are safe. If you decide to use your child/children/pet as a weight, please do so with caution and safety in mind. Also, we recommend that you do not drink alcohol while working out, no matter your age :).
Crow Pose is often the first arm balance that yoga students tackle. Though it looks like it's all about arm strength, the keys are actually learning where your center of gravity is and how to distribute your weight so that you can balance.