Challenge your mind with this vintage Holiday Inn D/FW cube brain teaser puzzle. The puzzle features a clear plastic cube shape and is perfect for anyone who loves a good challenge. This brain teaser is great for both kids and adults, and is sure to provide hours of entertainment. The puzzle is part of the Brain Teasers & Cube/Twist category of contemporary puzzles, and is a must-have for anyone who loves puzzles. The Holiday Inn D/FW cube brain teaser puzzle is perfect for anyone who wants to test their problem-solving skills and have a great time while doing it.