Erase drawing and find sticker: Toca Boca

The goal of the game is to find 4 stickers in each level and click on them. To do this, you need to erase the drawing covering the stickers with an eraser. When you run out of eraser, pick up a new eraser from the left edge of the screen. Initially, you have 3 erasers in stock. When they run out, click on the boxes in the upper left corner of the screen to replenish the supply.