Slab Dream Lab 12" x 12" Building Block Base Plates. Your most extraordinary build begins on a SLAB, the largest, strongest, baseplate system for building brick creators. Discover the solid, dependable base for the biggest, best project you can dream up. Better design means phenomenal strength, rigidity and grip – bricks and figs stay put on the plate, wherever you put them. Compatible with LEGO, MegaConstux and other leading brand bricks. Big sizes, rich colors, and super-detailed custom graphics and themes set the stage for your most epic productions. Welcome to the SLAB Dream Lab, where you can build anything you can imagine. Please note that our baseplates are not compatible with other Brand's baseplates. LEGO, DUPLO, and the LEGO Minifigure figurine are registered trademarks and/or copyrights of the LEGO Group of Companies which is not affiliated with and does not sponsor, authorize or endorse this product.