50 Optical Illusions Cards Christmas Decoration nickel and cadmium free with

nickel and cadmium free with a hypo-allergenic coating so they are suitable for even the most sensitive ears

Framed Oil on Panel

A drawstring muslin bag safely keeps all puzzle pieces together

build confidence and have fun

50 Optical Illusions Cards Christmas Decoration nickel and cadmium free withThis title includes fifty cards featuring mind bending illusions to surprise your eyes, taken from the personal collection of Al Seckel, world expert on visual illusions. An optical illusion on each card is accompanied by text on the reverse explaining how the illusion works in tricking the eye. This title comes with a revealer card, which can be used to measure and check the illustrations to increase understanding of how each illusion works.