Kluster DUO is an incredibly fun family-friendly dexterity game! The large, unstable “spinner” magnets can be used alone or as an expansion for .Kluster's rules are extremely simple. However, they allow for many strategic possibilities! Take turns placing a magnet inside the string. But be careful because you collect all the magnets that stick together. The first one to get rid of their magnets wins!DUO contains 12 magnets, much larger than the classic Kluster magnets, for 2 players. However, thanks to the Kluster+ rules included, it's possible to combine several games to bring even more players together! So DUO can be used as an extension to Kluster Classic for up to 6 players.DUO also features an Expert Mode for more competitive Kluster games than ever!Content: Content: 12 magnets, 1 string, 1 game rule.—description from the publisher's website