Abstract: A device for familiarizing a child with a keyboard of a musical instrument and for familiarizing a child with musical concepts. The device comprises at least two blocks, each block having a top face which comprises indicia resembling at least one of the keys of the keyboard. All of the blocks have indicia resembling the white keys of a piano keyboard, and some of the blocks have indicia resembling at least one of the black keys of a piano keyboard.In an embodiment of the present invention, the device is further comprised of a base having at least one raised projection and/or one indentation for fitting within a corresponding indentation or projection in at least one of the blocks.In another embodiment of the present invention, at least one of the blocks has an indentation and another of the blocks has a raised projection for fitting around the indentation. In this embodiment, the blocks can be assembled without a base.