Challenge your family and friends to a fun fast-paced game of Dr. Eureka! Pick a challenge card, 3 test tubes and 6 colorful balls to solve a series of unique "science formulas". Carefully move your materials from tube to tube without dropping them, and position them as illustrated on the challenge card. The first person to solve the puzzle shouts "Eureka!" and keeps the card. NOW.....you start the next round with the colorful balls in the tube as they are. So every time you play, it's a different game. This brainteasing party game can be played solitary or competitively. The high quality components and the creative concept make it a challenging game for the whole family.