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! This 600 piece set contains Basic Colors, including Red, Blue, Green, Yellow, Orange, Purple and more. Pieces come in a clear, reusable storage tub. Also includes an Idea Guide Booklet for building. Suggested for ages 18 months and up. BPA-free and phthalate-free. Designed and made in Denmark.