Piglet's Big Game - Gameplay: Roo's dream

Roo has carelessly locked himself in his playroom and is unable to get out. The key, you see, is back in his house. Certainly Mrs. Kanga would know where it was, but how will Roo tell her that he needs the key? Luckily for Roo, Piglet comes along to help.
(From the Piglet's Big Game instruction booklet.)