Made with 100% recycled plastic, Geomag Magicubes Recycled 16 pcs are uniquely designed to connect on all sides A toddler's first construction set, Magicube Pre-School will also teach them to recognize primary colors; red, blue, green and yellow. This set contains 16 magnetic blocks in four primary colors. STEM.org certified Magicubes help in the development of creativity, fine motor skills in addition to stimulating imaginative play and curiosity through the science of magnetic construction. • Magnetic blocks that connect on all sides without polarity • Includes blocks in bright primary colors; blue, red, green, yellow • Helps in the development of fine motor skills • STEM.org certified toy encourages problem-solving • Durable and easy to clean • Made with 100% recycled plastic