An easy, fun way illustrate four-letter typeThe spinning MBTI® Type Tower is a perfect desktop visual aid for MBTI® practitioners and their clients. Use it to display your four-letter type and provide one to each client as a handy reference to reinforce learning about the eight preferences. At 8" high, with a 2-3/4"square base, the Type Tower is compact enough to sit easily on any desk but large enough to get noticedthe perfect training takeaway to keep type concepts top of mind.