Diffusion

Here comes the latest penetration effect:

Ask a spectator to choose a card from a deck. He puts the card back into the deck and than you shuffle the deck. Now you give the spectator a bag of chips which he can inspect completly. You take the deck of cards and spring them against the bag. Now ask the spectator to open the bag. When he opend the bag he will find his card in the bag!

Or make a coin penetrate a bag of gummi bears.

Make any small item penetrate a sealed bag!
The bag can be examined anytime!

You'll receive the gimmick, a weblink to an online video and an english instruction.