A one-on-one color sorting puzzle game competition.50 challenge cards of varying difficulty. Arrange the colored rings according to the patterns on the cards, then compete to see who can complete the color sorting first.A thrilling puzzle challenge for one or two players—compete against an opponent or race against time to see who wins. Includes two color sorting racks and 80 colored rings.Ready for an epic color challenge? Ready, go, stack! Color Stack™ is a one-on-one puzzle game where players must sort mixed colored rings into stacks of the same color as quickly as possible before their opponent. One player draws a challenge card for both players to complete, showing the initial arrangement of the rings on the stack rack. On the count of 3, both players must race against time to stack their mixed rings into columns of a single color. 1. Each ring can only be moved one at a time. 2. Rings can only be placed on empty pillars or on rings of the same color.3. Each pillar on the stacking rack can hold a maximum of 10 rings.4. Players can arrange the rings in any order, but there must be two empty pillars on the stacking rack at the start and end of the game. The game offers 50 challenge cards of varying difficulty; you can choose to race against an opponent or challenge your own time limit.Package Contents: 1* Color Jenga [Double Base] English packaging.Note:1. Due to differences in monitors and lighting effects, the actual colors may differ slightly from the image!2. Please allow a 1-3 cm deviation due to manual measurement!