for fun it's the best of the toys.
It's Slinky, it's Slinky
the favorite of girls and boys!
Fold the edges to the middle crease made in the previous step.
Fold in half hamburger style then unfold.
Fold the edges to the middle crease made in the previous step. Look at the last picture in this step, make sure the creased side is on the outside and the split side is on the inside.
Now's the tricky part. Pull up the right side so it's makes a 90 degree angle with the rest of the unit. The crease that used to be the edge will line up with the top and a triangle will form at the joint.
Pull up the left side and crease, making sure the crease lines up just like the right side.
That's one unit, now make about 19 more and meet me over at Step 4.