Ideas for Surprise Birthday Party For Best Friend. Number shaped Envelopes. Surprise your loved ones by making a number of their age with envelopes. A day full of awesomeness. 24 hours- 24 gifts. A walk down the memory lane. The Kidnap Plan. The Birthday Card Rush. Water Balloon War Followed With a Cake Smashing . Jul 23, 2018- Party planning ideas for a milestone birthday, surprise party, or other special event! See more ideas about Party planning, 30 birthday and . Explore Kathy Stockton’s board “Surprise birthday ideas” on Pinterest. See more ideas about Birthday party ideas, Birthday surprises and Birthday surprise . Part 2. Keeping the Party a Surprise. Decorate for the party at the honoree’s place. Decorate for a party at another space. Give the guests party details. Choose a chaperone for the honoree. Plan a fake event to throw off the guest of honor. Go through a to-do checklist before the party starts. Balloon avalanche! Nothing says birthday like balloons! Surprise your kids, your significant other, or roommate with an avalanche of balloons as soon as they open the door. This is usually done while the birthday person is sleeping, but it would be pretty great for a surprise party, too! Don’t worry, this doesn’t necessarily mean you have to do something extravagant. We’ve got a few birthday surprise ideas to share with you that anyone can . 25/12/2016 – The first thing to consider when thinking about throwing a Surprise party is: Will the birthday person like to be surprised? Do they hate parties? Gather decorations – Pick up birthday party supplies that are festive and fun. Just because it is a surprise party doesn’t mean you cannot add another party theme .