Plus-Plus is a whole new class of construction toy! One simple shape contains endless possibilities and hours of fun. Each piece easily connects to the next and lets your imagination create colorful flat mosaics or work in 3-D to make more intricate builds. A perfect on-the-go STEM toy for your budding builder! This Plus-Plus BIG size is perfect for smaller hands or bigger ideas. Well suited for preschool and early learning environments, this set brings endless fun to kids who are developing their motor skills and recognizing colors, patterns and sorting, all while mixing play and creativity! Details:Red, Blue, Green, Yellow, Orange, Purple600 piece setBIG pieces are great for little handsComes with clear, reusable storage tubIncludes an Idea Guide Booklet for buildingCreate colorful flat mosaics or work in 3D to make more intricate buildsBPA free and phthalate freeFor ages 18 months and up