Henry toe-kicks a dodge ball to defeat an opponent. Any soccer player can tell you you kick balls with your laces, not with your toes. (Perhaps this can be taken to show that Henry is not a trained athlete.)
In the very last shot, actors Jace Norman (Henry), Ella Anderson (Piper) and Sean Ryan Fox (Jasper) fall while celebrating on a trampoline. It may have been an actual stumble that was used in the final cut, because Ella calls out "Jace" rather than "Henry."