Brick, Modified 2 x 2 with Grooves and Top Peg
Bricklink ID:47117
Weight:1.520 g
47117

Sets with this part (from Bricklink)
  Part color Trans-Yellow
 


 Set nameRelease yearQuantity
59405940 Doll House20041

  Part color Trans-Dark Pink
 


 Set nameRelease yearQuantity
59635963 The Princess and the Pea20051

  Part color Trans-Bright Green
 


 Set nameRelease yearQuantity
59605960 The Mermaid Castle20051