The product was created by the French company Play Bac, and was named Les P'tits Incollables. The English version was named Brain Quest and licensed to Workman Publishing. It sold 4.2 million copies in its first 16 months, and made the New York Times Bestseller list for children's books.
The Rock Flipper game allows two people to participate at the same time. One player is tasked with reading the question and withholding the answer from the opponent. Although slightly competitive, there is no scoring system for the game, making it more family-friendly and focused on learning.[vague]