The True Genius line brings together brainteaser puzzles and links each design with an ancient civilization including China, Aztec, Rome, Greece and Egypt. The puzzles are finished in an antique style to look as though they might actually be artifacts from long ago. The True Genius line offers a wide variety of price points, difficulty levels and solve types - filling in the gaps of any store's puzzle section or standing alone as a comprehensive collection of brainteasers. In this puzzle you must swap the gold and silver column of coins. Sound simple? Not quite – each coin type only moves so far into the columns creating a costly conundrum. Find the trick to get them sorted. Ages 14+.High Difficulty.Challenge your skills. Based on ancient artifacts.Wooden Brainteaser Puzzle. Recommended Ages: 14 Years And Up Measurements: 7.25 Length/Inches Base Material: 100% Wood Care: Wipe Clean Country of Origin: Imported p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.