19 Piece magnetic building set comes in a rainbow variety of beautiful colors. Their large 9" x 9" size allows construction of toy furniture, towers, play houses and can be used with existing toys giving them extended value. What you can build is limited only by your imagination! Perfect for individual or multi-child play. Works well with all items on this page. Develops both fine and gross motor skills, patterning, shape recognition, and building. Comes with STEM-themed activity guide. Ages 3 and up.