A brilliant use of recycled plastic and reclaimed sawdust, these earth-friendly blocks are kid-friendly, too: non-toxic and paint-free with smooth surfaces and rounded corners. Includes 50 blocks in 6 different shapes and 6 fresh colors. Includes storage bag. Smallest block is 1-1/2'L x 1-1/2'W x 1-3/4'H. Made with recycled Sprig wood.