Combine the lights and action of Hot Dots with fast-paced game play and youÆve got a fun, effective way for students to sharpen U.S. history and geography skills. This all-inclusive set includes 16 self-checking games about states and capitals, landmarks, map directions, presidents, important historical figures, and more. Players search for people and places on the game board and then they check their answers with the glowing Hot Dots Pen. Want to brush up before the game? The back of each game board is a fact-filled study guide! Includes Hot Dots pen, 16 double-sided game boards, special jumbo die, 50 game markers, and guide. Pen requires 2 AAA batteries (not included). For 2 players.