+ Sakol's velcro-equipped blocks, made from Forestry Stewardship Council-certified birch, break out of the mold by allowing more organic means of construction.
+ Green Toys' Lego-like blocks are made from recycled milk jugs and are suitable for tykes as young as 6 months.
+ These Ponderosa pine Beetle Blocks from Western Canada get their subtle blue color from a local species of bark beetle that kills and tints tree rings. + Uncle Goose's more traditional building blocks are carved with pictures and text from your favorite nursery rhymes.
+ Pieced together from discarded wood scraps, the Wooden Block Math Kit offers kids a fun way of learning their numbers.
+ These om-inspiring discarded wooden ZenBlocks can be stacked and piled ever which way.
+ Colored using natural nontoxic paints, these cork blocks are lightweight, soft to the touch, and safe to throw around.
Inhabitots is a website dedicated to green design for kids and babies. Written by a team of intrepid, design-conscious parents, we review eco-friendly, healthy, and sustainable toys, furniture, clothing, and gear. Follow us on Twitter @inhabitots and on Facebook.