A celebration isn't complete without one of these exciting birthday party games for kids. They're mighty fun for little ...

The build is based on an 11-inch party balloon that can provide about 11 grams of lift. This doesn’t allow for much leeway in terms of weight, so [masymachien] used hacked-up servos for the motors.

“We’ve been doing this so long,” Charlie added, “and we didn’t want a storefront because we couldn’t compete with it (Party City),” which buys balloon materials like ribbon in giant ...