Dr. Eureka from Blue Orange Games is a hands-on, dexterity-based, brainteaser game that can be played individually or with others. Help Dr. Eureka complete his important experiments. Pick a challenge card, 3 test tubes, and 6 colorful balls to solve his scientific formula. Carefully move your materials from tube to tube without dropping them and position the balls as illustrated on the challenge card. Recommended for ages 8 years and older; for 1 to 4 players.