Deck of cards weighs 96 grams or 3.4 ounces

At only 96 grams, there is no excuse not to carry a pack with you when traveling.

My Bicycle brand cards have given me hours of free entertainment.

Rubik's 360 weighs 136 grams or 4.8 ounces

The Rubik's 360 weighed in at 136 grams, without any packaging.

Wired Magazine makes Professor Erno Rubik's new puzzle sound pretty easy, but we have one in the office and it is driving me mad

You've got to spin, wobble and twist it to guide coloured balls out from two inner spheres into a dome of the corresponding colour, except the two inner spheres are weighed so gravity is playing against you. It all concludes in a big mess of frustration.

In the UK you can buy one here.