Dreambuildertyoy 200 Stone Grey 2 x 4 Generic Building Bricks, Alternative Option to Leading Brand 2 x 4 3001 Brick [WHAT DO YOU GET]: 200 Stone Gray grey 2x4 high quality Generic building blocks. 0.6 inches wide by 1.2 inches long,Tightly fit with the name brand bricks [HIGH QUALTY]: 'buttery' to touch and soft clicks just like the name brand bricks [SAFE TO PLAY]: Made from the same safe, durable ABS plastic as the name brands. ASTM certified and CSPIA compliant. These High-quality bricks are built to last! [COMPATIBLE WITH NAME BRANDS]: Most people wont even see the difference. No problem to play with your name brand collection. Great addition to your current brick collections