Logiq Tower Puzzle Product Details Product Dimensions: 4 x 4 x 6 inches ; 1.5 pounds Shipping Weight: 1.5 pounds Domestic Shipping: Item can be shipped within U.S. International Shipping: This item can be shipped to select countries outside of the U.S. Learn More Origin: China Item model number: GCW-LOGIQ-001 Our recommended age: 6 - 15 years Manufacturer recommended age: 6 - 15 years Enhances problem-solving, mental stimulation, spatial visualization More than 22,000 unique solutions Great fun for kids and adults alike Made of eco-friendly sustainable Rubber wood Accompanied by solution hints and instruction guide Product Description: Logiq Tower 3D-Puzzle From the ManufacturerLogic Tower is a 3D cylindrical brainteaser extraordinaire. Stack inner and outer pieces around the central rod to build complete towers of various heights without any gaps. With more than 22,000 unique solutions, the stroke of genius is but one move away. Logic Tower contains 15 unique pieces, that can be placed around a central rod to progressively build 4 levels.