Created by MindWare! Exercise your left and right brain at the same time with these complex dot to dot puzzles. Intricate, challenging and wildly rewarding to finish, Extreme Dot to Dot: Explorers puzzles range from 300 to over 1,400 dots. Some puzzles even cover a two-page spread! Counting, mapping and concentration are just a few of the educational benefits. 32 puzzles per book.