The Plus-Plus Metal Suitcase contains everything you need to get starting with BIG Plus-Plus along with a great tin storage box. A Guide Book gives step-by step instructions to build flat mosaics and 3D creations - animals, people, buildings and more! The set includes 70 Basic colour mix pieces and a Guide Book. Basic Mix: 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. Designed and made in Denmark BPA-free and phthalate-free BIG is safe from 0+ years Each BIG piece measures 50mm x 30mm