Countless challenges and solutions… but can you find one?Start a new challenge in a snap, with no direction required! Just place the four magnetic grids together and start playing. Can you fit the 12 puzzle pieces on the game board you just created? Quadrillion is the ultimate solitaire game for all ages, with big, sturdy puzzle pieces that are easy and fun to handle. countless DIY challenges, just click and play!booklet with 60 challenges to get you startedfor kids and adults, ages 7 - 99Dime