STEP 1 - Cut seven equal squares of balsa with scissors. Plugin the hot-glue gun.
STEP 2 - Examine how the house is constructed. Play until you figure it out. Decide on how you're going to piece it together. Use the hot-glue gun to construct the house.
STEP 3 - Place something special in the house.
You can add tiles with sandpaper, or smaller pieces of balsa and glue. Also, you can paint the house if you like!