Slip sliding away – CO2 power hits the ice. What to do if Santa gets stuck up your chimney. Knife, fork, spoon – which is Britain’s best bit of cutlery. Which is Britain’s most pain in the arse packaging. Jon Tickle gets in some seasonal slobbering. A gas oven, some explosives and a naked flame – you do the maths. Brainiacs feel the cold this xmas. Hitting the high notes – carol singing on helium. We give the five top tips for snowball fights. And what would happen if you pulled 500 crackers at once?