We made some juice box labels to look like legos, and drew circles on the plates with sharpies. Idea found here. We also used mason jars filled with Duplo blocks for balloon weights and to make the table look pretty.
Ainsley and I made these cute mashmallow pops found at Living Locurto. Technically, they are cake pops, but I wasn't feeling that ambitious. So I bought some yellow candy melt at JoAnn's with my 40% off coupon. I cut two small marshmallows and placed one half (sticky side down) on the top of a large marshmallow. Stuck a stick in, and dipped! After they dried we used black cake gel to draw faces. It was really fun!
I was, however, perplexed at how to display them. I see cake pops everywhere, but I didn't know what to do with them! I bought some craft styrofoam stuff at the dollar store by the flowers. I chopped it up and put it in mason jars. Then I took strips of brightly colored paper and wrapped it around the inside of the jar. Not perfect, but it worked for me.
The left over candy melt covered some strawberries. Brandon LOVES chocolate covered strawberries.
We also did a relay race outside with legos in a spoon.
For party favors, I bought 8 packs of legos for $20 on Amazon.com. Super deal! They put their candy bars in the bag as the won prizes. I also bought some mini lego figurines at lego.com on clearance for like 75 cents a piece.