I found this Mega Bloks First Builders Billy Beats Dancing Piano on sale on Amazon for 33% off! My son really loved this when he was a kid!
3 modes of play: Dance with Billy, Teach Me and Free Play
8 colored light-up keys that can play single notes or 8 pre-programmed songs
Sheet music on stickers included to let you build and stack a song to follow along
Cool Piano, Whacky DJ and Funny Animal sounds with On/Off switch
Includes 8 First Builders blocks and 3 c-size batteries