Cut wood to desired height for the homes, varying the sizes.
Adjust the miter saw to a 45° angle. Cut the tops for the houses by cutting 45° angles on each side of the wood to create a triangle. Cut mini pieces of wood to serve as chimney pieces.
Use hot glue to glue the roofs to each of the house bases.
Hot glue the chimney pieces to the left side of the houses.
Sand the houses to prepare for painting.
Paint each of the houses as desired.