The weight of a single playing card is 1.8 grams. There is a very tiny difference in weight from card to card due to the ink on the card. A court card has more ink on it then the Ace of diamonds for example.
With 1.8g you will be able to demonstrate an extraordinary ability to locate a chosen card simply by the weight of the card. It's like telling the difference between holding one grain of sand and holding two grains of sand.

In this 20+ minute instant download Matt teaches you everything you need to know to pull off this trick.
Let's have a little run down of what you will need for this trick.
- YOU WILL NEED -
A pack of playing cards.. Yep that really is it! They don't even have to be your playing cards, or even a full deck. No complicated gimmicks to make, no marked cards, no set-up.

Also this trick is for ALL skill levels, so it doesn't matter if you're new to magic or if you've been doing it for years, 1.8g is well within your grasp.