Strictly Briks Flat Bottom Baseplates are 100% compatible with all major brands. They are the perfect size to create anything from a house with a yard to a castle!

Flat bottom baseplates measure 20"×15", 15.75"×13.25", 15"×10.5", or 10"×10", and are available in various colors and multi-packs.

Each baseplate is a guaranteed tight fit with any standard size building bricks set.