Unlock this treasure chest using a unique magnetic closure and behold shiny gold coins and number cards. Spend the next 15 minutes in a delightful battle over addition, subtraction and multiplication for 2 to 4 players. Children will be able to challenge older siblings and adults by combining numbers 1 to 10 in simple equations. Find the two gold coins that show the correct mathematical answer. A calculating disc is included as a self-check mechanism. Instruc-tions are included as well for a solo game variation. Launch date: February 2009.