Precursor:  I would like to start by saying that this toy was given to my 14 month old son as a Christmas present.  My husband and I did not purchase this nor did we know anything about it prior to my son opening the wrapped toy.

     The specs:  The Stack, Learn 'N Play Blocks by Fun Rise is for children ages one and older.  It has ten colorful blocks.  Nine are made of cardboard and are open on one side so that the blocks can be stacked on top of each other or they can nest inside one another for storage.  (The tenth is plastic with a smiley face center that rolls around inside...