Click on a square to the left of the X-ray bar and move it to the X-ray bar to reveal the arithmetic problem it contains. Once you determine what the answer to the problem is, move it over the square on the right side of the X-ray bar that contains the answer. Once you have the problem over its answer, drop the squire to place it. Move all problems to their answers to complete the level.
Drag the question, move it to the X-ray bar, find the solution and drop it to the right answer.
City
Chees
Tenni
Valto
Shape
Castl
Six N
Baske
Mr. B
Masha
Crusa
Hallo
White
Cute
Blue
Tic T
City
Zombi
Gems
Armed
Princ
Math
Alvin
Break
Vivo
Traff
Puppe
Baby
Adven
Oomee
Wild
Skibi
Frog