DreambuilderToy Upgrade 10 x10 Baseplates , 2 Green and 2 Blue 10" x 10" Base Plates with Back Connection, Perfect for Activity Table, Guaranteed no Warp (Pack of 4, 2 Blue+2 Green) GREAT DEAL-- 4 pack of 10" x 10" or 32 x 32 base plates (2 Blue and 2 green) 'buttery' to touch and soft clicks. Compatible with all Major brands BOTTOM CONNECTION--Discover an exciting new design that gives you the added benefit of connecting brick pieces from below to create multiple levels/stories. STRONGER AND MORE DURABLE--GUARANTEED NO WARP , 50% thicker than normal base platesBUILT TO LAST A LIFETIME! You will feel the difference in quality. FUN TO PLAY-- Great for building playing table--straight angle allows you seamlessly building a playing table without any gap COMPATIBLE WITH ALL MAJOR BRANDS: -- Work perfectly mixed with all major brand bricks, You can mixed play with all major brand bricks, an affordable way to increase building options!