Four Exclusive, AttractiveAnd long-lasting Memory Games. Each Set (Green,Yellow,Red,Blue) has endless possibilities to Master Visual, Motor & Memory Skills. Each set Includes 5 Two-Sided unbreakable plastic boards (28 x 28 c"m, 1.3 m"m thick ), Slide Into a solid wooden container (30 x 30 x 3 c"m) with 16 Windows Covered by 16 Knobbed Discs. Children in turn Lft 2 Discs In an attempt to find Matching Pair.