This is a way to improve both standing and running tumbling. We have spoiled our athletes by having them tumble downhill or into a pit. This encourages pulling off the ground and no set. You can do this drill two different ways.
Either you can have the athletes land on a stack of mats or you can stack mats at the fat end of a wedge even with the wedge. Now you have your athletes do round-off back handspring up the wedge. Hands start of floor. Add tucks, layouts, and fulls as the athletes feel more comfortable.
You can also have athletes do standing tumbling up to make them the skills longer and faster.