A music toy kit combining a music toy instrument like a piano or a drum, with a set of construction toy blocks. The music toy instrument is provided with coupling elements similar to or compatible with those of the construction toy blocks and at least some of the blocks are provided with a music score on at least one of their sides, whereby, in use, one may stack one or more of the construction toy blocks onto the music toy instrument and use these blocks as a combined music stand and score to play a given tune.