Do you remember this nostalgic toy from when we were younger? It is simply a board with a ton of little pins. Place it on your hand, and your hand will push up the pins creating an impression mold of your hand! Stick it on anything small to reproduce it. It captures the object like a topographic map! A favorite is making an impression of your face or favorite toy. Use again and again. Fascinating desk or classroom fidget toy that children and adult cannot put down! This model has metal pins with blunt ends and is 5" x 3.5" x 1.75".