I wish we could say this was the girls' birthday party, but it turns out that grandma and grandpa just have some really fun friends who throw really fun parties.
Here one of the boys is performing some American Ninja Warrior action.
And, I'm sure I have no idea what is happening here, although I note that those logs definitely look like the blow-up kind.
And Ben rides a bull.
And Elaine rides a bull with style.