6 years & up. This new style of construction set meets needs of newer generations. Each PIXIO cube is made of ABS plastic and contains six magnets internally. The magnets allow cubes to connect in nearly any sequence on any side. PIXIO products meet child safety EN71, ASTM F963-17, and CPSIA standards. Each cube measures 0.3 x 0.3 x 0.3 inches and weighs 0.04 oz. Set includes 200 cubes in the 6 basic colors: turquoise, yellow, red, green, white, black with 2 new colors, tan and pink.