It can be difficult deciding on a party theme, but a boys party theme that they will love is ….. a Lego party! Stuck for ideas on how to pull this together? You don’t need to be. A Lego party is fun, bright and full of excitement. These parties will provide you plenty of inspiration for food, decorations and favors. Now planning a Lego party will be easy. I love the Lego bunting in #4!