TOWER STACKS Build your castle from the ground up! Tower Stacks challenges players to build a vertical castle using 9 puzzle pieces. Start from the floor and use planning skills to stack the pieces and solve the 80 included challenges, from easy to expert. A classic brain teaser for kings and queens, young and old! HOW TO PLAY Step 1 Choose a challenge. Set up the ground floor of your castle by placing the puzzle pieces shown adjacent to each other so that the top view matches the challenge. Step 2 Place all the remaining puzzle pieces ON TOP of the ground floor to complete your castle. The castle can have more than 2 floors…you don’t know how many until you have found the solution! Step 3 There is only 1 solution, shown in the back of the challenge booklet. Inside the Box: 9 castle-shaped puzzle pieces, challenge booklet with 80 challenges and solutions. Age: 8 to adult Single Player