Jacob's 7th Birthday

Jacob had a party at Shadow Land Laser Tag. It was a spy theme -- hence the secret message on the cake.
Here's the text of his invitation:
TOP SECRET MESSAGE
g B I R T H D A Y n s m s b v P A R T Y k k q w e
a F O R f J A C O B d v a h g B O W M A N d f n f
r t y y j k l k l z x c v c v b n m q w e r t y u
q w e S U N D A Y e x x t D E C E M B E R x 1 1 x
a s d f g h h j x x 1 2 : 0 0 - - - 2 : 0 0 x x x
f d s s u i o o j k k l l v v b n m q w e r t y u
m n b v S H A D O W L A N D S c x L A S E R T A G
A R E N A z a s x I N d f C H A N T I L L Y f g g
x x x x x x x x x x x x x x x x x x x x x x x x
x x x x x x C A L L x x 7 0 3 - 5 0 2 - 1 8 1 9 x
x x x x x x x R S V P x x D E C E M B E R x 7 x x