Advent Calendar

My son wanted me to design and print him an advent calendar.

Here it is.

You can`t see it on the preview pictures, each bos has a different christmas themed picture at the back.

PRINTING INSTRUCTIONS
-print in a 4x6 (horiz x vert) matrix
--central boxes (connectors on all 4 sides) - 8
--top central boxes (connectors on 3 sides - L, R, B) - 2
--top left box (connectors on 2 sides - R, B) - 1
--top right box (connectors on 2 sides - L, B) - 1
--left central boxes (connectors on 3 sides - R, B, T) - 4
--right central boxes (connectors on 3 sides - L, B, T) - 4
--bottom left box (connectors on 3 sides - R, B, T) - 1
--bottom right box (connectors on 3 sides - L, B, T) - 1
--bottom central boxes (connectors on 3 sides - L, R, T) - 2
--base (Merry Christmas or Nadolig Llawen) - 1
--doors (numbered 1 - 24) - 24
--connectors - 40

Credits for the fonts and symbols
-Door Numbers: http://www.greywolfwebworks.com/ (font: Christmas Lights Outdoor)
-Box Symbols: D3 (font: