Keep your mind fit with brain aerobics!
If you like great mental exercises, try brain aerobics. All you have to do is open this book, lift a pencil, and flex your mind while solving this assortment of invigorating puzzles.
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In Brain Aerobics Logic Puzzle, you'll need to rely not only on logical thinking but also on some elementary arithmetic skill. By the time you've put your pencil down, you will have tested yourself at everything from sudoku and battleships to dominoes and minesweeper.