This expansion is great for adding extra large rooms or hallways to the Dungeon and Castle Sets.Efficiently reduces the number of Top Clips needed for making larger builds. Add 5ft of walls - up to 1.5sqft (216sqin) to your layouts super cheaply! $0.07/sqin! 

Changes: 2 more long walls added, making 50% more coverage possible than before!

Contains:

• 10 x 6" Walls (5ft!) in a Plastic Carrying Case.

 **Choking hazard for children under 3 years of age