The Plus-Plus Learn To Build Jewelry set contains everything you need to get starting to build beautiful jewelry with Plus-Plus. A Guide Book gives step-by step instructions to build Necklaces, Rings, Bracelets and more! Recommended age: 5 – 12 years About Plus-Plus: 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.