bca3eaf5_r_2___Explore_MIT_App_Inventor__Purpose_of_Component
[Component Type] ImageSprite (5) [Palette Group] Drawing and Animation [What you'll name it] Hole1 ... Hole5 [Purpose of Component] 
Holes from which the mole can appear
Mole Mash 2 with Sprite Layering for App Inventor 2 | Explore MIT App Inventor