The classic Soma cube in Minecraft form. Use the pieces and attempt to make a cube (there are 240 ways to do it), or try and make other shapes like the ones here www.fam-bundgaard.dk/SOMA/SOMA1/SOMAFIG1.HTM
The gray set is a guide showing how to fold the advanced pieces, you don't need to print that one unless you want to (Blue = mountain fold; red = valley fold). Also note that 7 (emerald) has two parts.
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.