PicassoTiles 4-in-1 Construction block toy kit (SKU: PMC103) features 60pc magnetic cubes in 6 colors, 9pc sea animal X-ray cubes, 9pc dinosaur X-ray cubes, & 25pc patterned puzzle cubes to promote early development of children's STEAM skills to gain a strong visual sense of color, arts, geometrical shapes, number counting, critical thinking, 3D design and structural engineering for preschool kids, kindergarten child, group activity, classroom, toddlers, boys girls age 3+, and even creative adults