Turing Tumble is a revolutionary new game where players (ages 8 to adult) build mechanical computers powered by marbles to solve logic puzzles. It’s fun, addicting, and while you’re at it, you discover how computers work. Our favorite hands-on "programming" toy. For ages 8 and up. This item is available for pickup or local delivery only. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.