the invention provides an interactive , electronic , puzzle for amusing and creatively stimulating children . the interactive puzzle includes a tray that accepts puzzle pieces . each of the puzzle pieces is shaped or marked to correspond to a concept in a unifying theme , such as a nursery rhyme . the tray includes sensors that cooperate with actuators located on the undersides of the puzzle pieces . when a puzzle piece is oriented properly in the tray , the puzzle piece actuates a predetermined sensor to trigger a predetermined audio response as a reward . the audio response can be a song , a story , a poem , a character , an object or an event referenced in a nursery rhyme .