Eco-bricks™ Plus - a new collection at Once Kids. Toddler-sized construction blocks that are twice the size of our traditional Eco-bricks™ perfect for those little hands! This beautiful collection comes in two styles, natural and color blocks. The color with Eco-bricks™ Plus is made with non-toxic water-base color tint. 100% biodegradable and made from FSC certified wood. Because at Once Kids, we prioritize the safety of our children and our environment. These wooden blocks are completely compatible with both plastic blocks and traditional Eco-bricks™. Eco-bricks™ Plus, is great to play with on their own or turn them into an Art + Play experience. You can even customize the natural blocks with crayons, paint, etc.! Eco-bricks™ Plus inspire creativity – improve motor skills and delight all that play.