Explore the wonder of crystal and mineral structures with this new Zometool kit. Includes well-written and illustrated instructions. Build and explore shadows, symmetry, coordinate planes (and more) with 14 different crystal structures, including all 7 Bravais lattices. Teachers can build models for in-class demonstrations. Includes 256 precision components, and the colorful instructions open into a beautiful 22"x14" (56 x 36cm) poster. An inspiring introduction to the wonder of crystals! SMALL PARTS WARNING: Contains small parts that may pose a choking hazard for children under 3 years of age. Intended for ages 5+. Made in USA.