What is that object called?

It's the one that has a lot of pins together and it's square...and when you place your hands on the pins, and press down....the pins forms your hand and the rest that you didn't press down on stays to make an imprint of your hand on it. what is that toy called? i can't think of it...it's one of those novelty gifts like the newton's cradle thing, but i can't think of the name of it. can somebody help me or do someone understand what thing i'm talking about and can answer my question as to what it's called?