earth blocks by colors tokio
the pieces are formed from natural materials - cedar bark scraps, coffee beans, sawdust, or green tea leaves- that have been blended with polypropylene in order to keep rigid. Produced in just one size (1.25 by 5/8 by 5/8 inches), ’earth blocks’ are slightly softer than their LEGO counterparts, but feature the same ability to snap together for building.
(via designboom)