Juegos visuales /
Paraquin, Karl Heinz.
Juegos visuales / Karl H. Paraquin ; [traductor, Pablo Sorozábal Serrano]. - 4a. ed. - Barcelona : Labor, c1978. - 137 p. : ill. ; 19 cm. - Labor bolsillo juvenil ; 16 .
Tít. Orig.: Schummelbilder.
A collection of over 100 optical illusion puzzles, with explanations of the reasons for their effects.
8433584162 9788433584168
Optical illusions--Juvenile literature.
Puzzles--Juvenile literature.
Optical illusions.
Puzzles.
Ilusiones ópticas.
Rompecabezas.
QP 495 / P223j 1978
Juegos visuales / Karl H. Paraquin ; [traductor, Pablo Sorozábal Serrano]. - 4a. ed. - Barcelona : Labor, c1978. - 137 p. : ill. ; 19 cm. - Labor bolsillo juvenil ; 16 .
Tít. Orig.: Schummelbilder.
A collection of over 100 optical illusion puzzles, with explanations of the reasons for their effects.
8433584162 9788433584168
Optical illusions--Juvenile literature.
Puzzles--Juvenile literature.
Optical illusions.
Puzzles.
Ilusiones ópticas.
Rompecabezas.
QP 495 / P223j 1978
