If your kids like to solve mazes than KrazyDad is the website for you. They offers you a huge collection of more than 5000 free printable mazes. The selection of mazes consist of :- 1,000 Easy Mazes- 1,000 Intermediate Mazes- 1,000 Challenging Mazes- 1,000 Tough Mazes- 1,000 Super Tough Mazes- 20 Animal Mazes
The mazes are suitable for printing in small batches. You are even allowed to reproduce the mazes for personal or school use.