brickyard building blocks 4 baseplates, improved design 10 x 10 inches large thick base plates for building bricks, for activity table or displaying compatible construction toys (2 green, 2 blue) brickyard building blocks <p><strong>compatible with all major brands of building bricks</strong></p><p>compatible with lego bricks. our baseplates are 100% compatible and proven to work with other name brand building bricks.</p><p><strong>stackable with bottom connections</strong></p><p>what makes brickyard products better is that our baseplates give you the added benefit of connecting building bricks from below to create multiple levels/stories. you can't do that with baseplates from the name brand manufacturer.</p><p><strong>the strongest, toughest, and most durable baseplate ever made - built to last a lifetime!</strong></p><p>a premium quality base plate that is double the thickness and twice as strong as the name brand! we guarantee you can feel the difference in quality. our base plates have been tested to comply with all u.s. toy safety standards and are free of lead, cadmium, and phthalates.</p><p><strong>the most popular base plate used to build play tables and walls</strong></p><p>[1] the edges connect together seamlessly, [2] the square corners fit together perfectly with no gaps; preferred over baseplates with rounded corners, [3] easily cuts to any size. excellent supplement to the stem education curriculum.</p><p><strong>5 different colors for you to choose from</strong></p><p>our building brick baseplates come in green, gray, blue, sand (tan), and white colors. to see the different multi-pack color options, see above.</p>