Hi Georgina
1.... disconnect game controller
2.... walk into the kitchen with it
3....run it under the tap
4....dry it on the outside only
5....remove any battries and put them in the wrong way
6....reconnect hand control
7....make a cuppa coffee
8... sit and feel smug that he can't play it later
OR ...Just for 20 seconds, put Halo 3 into the Microwave ..(joke)
Yeah .... I'm an Box Widow ...... did you guess !!!?? HE HE HE