00902cam a2200169 4500 2032838 TxAuBib 20010701120000.0 090831|||||||||||||||||||||||||||||und|u TxAuBib Three-Shape Switch Music Puzzle / AT Switch. Hastings, NY : 500. 1995 pp. The 3-shape switch/music box has a circle, triangle, & square. When all three puzzle pieces are inserted into the baseboard the resulting switching action can be used to operate battery operated toys or if toy is NOT attached, electronic music will play. 20010701. https://drive.google.com/open?id=1TpuekMe9hHB7NmJ_2C6Nr1c7UyT8toEE image