Numbers 10 and 6 discover the joys of being 16. As the number 16, they impress number 4 as they show all the ways they can be a square.

Number 9 sing about the rows that make his number.

Number 6 shows his friends the sides of his dice and the shapes their friends can make.

The shapes introduce themselves and their characterisitcs to the square.

When Number 4 jumps into Flatland, he becomes a square. Meet the rest of the shapes by counting the sides.