3 years & up. This magnetic building set features 8 translucent pieces in standard colors. Included are 4 large squares measuring 6" x 6" and 4 rectangles measuring 6" x 3". The 4 large squares included are green, yellow, blue and ICE (colorless). The 4 rectangles included are purple, orange, red and yellow. This magnetic expansion set allows young engineers to build tall and stable creations. Through play, your child will learn different shapes and their unique properties and characteristics. Made of food-grade ABS (BPA Free) plastic - free of phthalates and latex.