SCS Direct Brick Building Base Plates - 5 x 5 Sand Baseplates (10pcs) - Dual Side Connectivity, Tight Fit w All Brands Brick building base plates - 5 x 5 sand baseplates (10pcs) Tight fit with all major brick building brands Dual connectivity- Build on BOTH sides! Incredible value- 10 base plates at an affordable price! Set includes 10 5 x 5 in. base plates - Sand Brick building base plates - 5 x 5 sand baseplates (10pcs) Tight fit with all major brick building brands Dual connectivity- Build on BOTH sides! Incredible value- 10 base plates at an affordable cost! Set includes 10 5 x 5 in. base plates - Sand