Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Professor Speed's Secret Lab ← View details 3540, U.S. 65, Harrison, AR 72601 +1 870-741-2088