cut out the nerdcatcher along the dark lines.
with the picture side up fold the square in half from bottom to top. unfold.
with the picture side up fold in half in other direction.
unfold.
turn the paper over. fold the corners into the center using the foldlines as guide.
repeat for all four corners.
turn over.
fold the corners into the center. you should see just the numbers.
fold in half from top to bottom. you should see the names of two colors now.
slip your thumbs and forefingers underneath the square flaps on both sides of the model.
press your fingers and thumbs together so that four points come together to make a 3D model.