The BIG size is perfect for smaller hands or bigger ideas. This 15 piece tube set contains Basic Colors, including Red, Blue, Green, Yellow, Orange, Purple, Black and White.
“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."