Naughty Kids

Spoiler: Info

On a sunny holiday, B and P's parents plan to go shopping. Before leaving, they told B and P not to do naughty things. But the naughty two brothers never reassure their parents.
After playing in the garden for a while, B and P felt a little boring. They figured how to climb onto the roof. But only one person can get on the roof, and they need some ball help to get on the roof. There is already a ball, but an important ball is missing to achieve the goal. How to do?

#Hints:
Their mother hid something under the floor.

I like it when the creators invent Meko-stories with B, R, P and Z ... this creates a more pleasant and fun atmosphere...Thanks for sharing @Lang Tao Jin

Gave up first time around with this as I thought it would take too many restarts but seeing @delator77 win spurred me on for another shot. And it did take many restarts with timing for the second ball, P sometimes getting stuck and P once kicking a ball away. Took two attempts for P to get the win once the finish was set up. I liked the gameplay for getting the balls to arrive in the correct order.

Spoiler: VS (v1.6.0)