Great Holiday and Birthday Gift Idea Can't get enough of Tic-Tac-Toe? This challenging and fun pen and paper 3 Dimensional (3D) Tic Tac Toe large activity book has 4 tic-tac-toe grids on each page. This book will keep children and adults busy during long journeys, boring waiting rooms, car rides, camping trips, rainy days, vacations and holidays.