Set is complete with 4 (2.5”) Shaped Peek-a-boo blocks that match 4 openings in Shape Sorter (6.5”x6.5”). Shape sorter includes carrying handle. Turn on musical feature to hear: different tunes, funny sounds (sliding, popping, crashing, banging). Blocks can also be stacked - have a textured side & peekaboo sides. Set in Good/Cleaned Condition. Light scratches from play. Batteries included.