"50 New Crazy 8 Puzzles -- Promoting Active Brains" is the 3rd in the Funny Birds Activity & Puzzle Book Series. Crazy 8 Puzzles will challenge your child, teen, and even many adults. Each puzzle will be solved by moving from number to number by adding, subtracting, multiplying, or dividing by 8 to get to the bottom of the page. It's a great way to firm up on number skills while having fun doing it. Whether you puzzle for fun or to keep your brain...