You can see a pair of lens and glasses lying on the floor to the left. apick up all three items and put the lenses on the glasses. Next tap the glasses to see the hiden image on the left.Remember the colors of each image and change the pictures on the right to the same color.The order goes like this:
Left column-top to bottom: Green, White and then Yellow.
Right column-top to bottom: Red, Pink and then Blue.