This giveaway offer has expired. Know It All - Inventors and Inventions is now available on the regular basis.
Learn who invented what in this interactive quiz game! Play a quick puzzle to assemble the picture of an inventor, identify the inventor and the invention. Play and learn!
Earn stars and unlock new achievements as you progress in the game. Challenge your friends and climb up the leaderboards in Game Center. From toothbrush and piano to mobile phone and magnifying glass, learn about the inventors of numerous items around you in this fun, learning experience. Spend time with this game and know it all!
iPhone, iPad, iPod touch