Looking for a challenge, reduce stress, improve concentration, give your mind and brain a work out, perfect, you have found the perfect solution right here. We are pleased to introduce our series in Sudoku puzzles specifically for adults and seniors. These puzzles are large print in a large format that is easy to read but still offers a challenging experience and entertainment. Give this as a gift to someone you know who could benefit from this or pick one up for yourself and challenge yourself. Check out some of the features below: