Discover endless building fun with these Big Base Plate Compatible Original Particle Connection Boards! Made from durable ABS plastic, these self-locking bricks fit perfectly with popular small building blocks like Lego and Duplo. Perfect for imaginative builders of all ages—from toddlers to teens and beyond—these unisex blocks open up a world of creativity. Just a heads-up: small parts mean they're best for ages 3 and up. Let your imagination run wild and create your own Animal Farm, City House, or Train adventure!