I need help. . My sons 13th Birthday is coming up and I want to play a gag on him. . I'm going to make him 2 cakes. One is his actual birthday cake., the other is going to be a non birthday cake. Now, I really want to make the second one explode!! So when he goes to blow out the candles I want to to go BOOM!! lol. . I know it's wrong, but hey, its hit 13th birthday. . So can anyone help me out on this one??? Please. . .
CJ
(Gun Bunny Cakes)
I'm guessing you don't want to use real explosives... 
I have no idea if this would work but my first thought was of those air-powered rockets they sell at Toys R Us. You step on the pump and the force blows the rocket off the launcher....I don't know if it would be strong enough to blow up a cake, but it would be fun to find out.
Good luck....please post pictures!
Kim
You could always do a hollow cake or cake shell type of thing and fill it with a plastic bag full of whipped cream and place it in the cake, then when he cuts it pop and splat!
The bag would have to be packed to beyond capacity so not to sure how to do it but sounds a lil bit safer than exploding candle 
Ok so on ace of cakes when he did the tonight show the guy who put the fireworks in the cake told Duff that cake asorbs the explosion.....
I would try something like maybe a paper mache cake but covered with real icing so it looks like a cake but with some confetti inside. The rocket sounds like a good idea for the paper mache. Paper mache is cheap and easy and we did all kinds of shapes in art school. Good luck I hope that helps.
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