Front: It's Your Birthday!

INSIDE: Embrace your inner puppy!

(Building has "Glue Factory" on front)

INSIDE: Relax. No one's calling you "Elmer" yet. Happy Birthday!

Front: I would have made you a cake

INSIDE: ...but I'm so much better at pies. Happy Birthday!

Front: Happy Birthday

INSIDE: My horse tried to tell me how old you are.

Front: Wow! It really doesn't stink.

INSIDE: I hope your biggest dreams come true! Happy Birthday!

Front: At your age, there's one definite benefit

INSIDE: You can fart and people just blame the nearest dog. Happy Birthday!

INSIDE: Live in the present! And have a Happy Birthday!

Front: I baked you a cake but the dog ate it...

INSIDE: ...well, let's just say we shared it. Happy Birthday!