IQ Brain Teasers Puzzle Pack _ Bundle of 4 Unique, Thought Provoking Puzzles Bundle of 4 unique, compact, hands-on, easy-to-travel, brain teaser puzzles. Real depth of play value. Puzzles have a range of 30 to 80 different challenges to accomplish. Includes: Geobrix Building and Hexus Color Connecting Puzzler from Brainwright Includes: Colorful Cabin and Cosmic Creature Puzzle from Lonpos. Fun and intriguing brain stimulation for ages 7 through adult.