Family Games XS Head Stress Series Timber Box IQ Collection Puzzle XS Headstress Timber Box is a devilishly difficult IQ Puzzle you'll love solving The high quality wooden IQ puzzle is beautifully finished, making it easy on the eyes and fun to handle Challenge yourself and challenge your friends 5-inch wooden puzzle for 1 player age 8 or older From Family Games America, the socially and environmentally responsible game and puzzle people