Plus-Plus Big is perfect for smaller hands or bigger ideas. This picture puzzle includes 60 basic color big pieces and 7 puzzle flash cards. Every puzzle has two sides - a challenge and a solution. “Plus-Plus is a creative construction toy for hours of play. Kids – both girls and boys, and their parents find joy in using their imagination to create colorful 2D puzzles and mosaics or build 3D creations together. A perfect educational STEM toy that stimulates fine motor skills, creativity, focus and patience! Plus-Plus: One Shape – Endless Possibilities." Designed and made in Denmark. BPA-free and phthalate-free. BIG is safe from 0+ years. Each BIG piece measures 50mm x 30mm.