Stacking boxes are a basic prop for playing.  This colorful, water-based stained wooden set will endure through years of stacking, nesting, sorting and pretend playing.  (It's also useful as a diorama box when your child gets older, and as organizers when no longer used as a toy!) Turn them upside down and hit with a rubber mallet to hear different tones.  We know of 8 year olds who play with this everyday - shouldn't these children be the ones who are acknowledged as being quite bright and creative?  rounded edges and hand dipped in water based non-toxic stains by Grimm's Spiel & Holz Design.  Largest box is 6".  E-0 grade birch plywood.  Germany