Hello! Half a century is a reason for an explosion of fun! To create a unique atmosphere for your brother's 50th birthday, I recommend
https://balloons.online/blog/50th-birthday-party-decorations-ideas-and-topics/ adding magic to every detail: personalized decorations with photos from different stages of his life, bright color accents, and, of course, do not forget about the music playlist so that the evening becomes a real soundtrack to his life. Let every moment of this holiday be as unique as the birthday boy himself!