I found this link to print some guys (with the age) to use as decorations.
I am going to do this with my little man tomorrow for a fun activity!!! He loves loves loves minifigures!
Celebrate: Big Boy’s Lego Party » Relocated Living
lego alphabet banner FREE Printable LEGO Building Block Alphabet Banner
Lego Banner; be cute to have in a corner and have the kids stand under to take a pic
These would be easy to DIY. The hanging ones would be good to complement balloon banner
Lego Birthday Banner! Lego Theme birthday banner, Lego Party, Lego movie, lego friends, birthday banner, party banner, boy birthday! by LUCKYBYCREATIONS on Etsy https://www.etsy.com/listing/387094810/lego-birthday-banner-lego-theme-birthday
Lego Inspired Garland, Building Block Banner, Birthday Garland, Birthday Banner
Lego Party Banner Mais
Aidan wants a Lego party! And we were going to last year but no time maybe this year.