Colonial Addition (5015) Dollhouse KitIncrease the interior living space of your Colonial home with this exceptional Colonial Addition, which offers a generous 9&7 16" floor to ceiling height and the versatility to be configured on either the right or left side. The 3 8" thick upper floors, 3 8" thick exterior walls and wooden roof shingles highlight the quality design of this addition. The grooved sidewalls are guaranteed to fit and offer an easy, one step assembly process. The 5015