Giggle Comics #14, November 1944. Irving Dressler. Red Rabbit #8, Fall, 1948. Harvey Eisenburg. Rags Rabbit #12. August, 1951. Harvey Comics. Happy Rabbit #45, October 1951. Standard Comics. Speedy Rabbit, 1953. Frank Carin, Realistic Comics. Ha Ha Comics #29, May 1946. American Comics Group. Oswald The Rabbit, 1948. Dell. Hoppy The Marvel Bunny, July 1946. Fawcett. The artist is Chad Grothkoph. Carrottop Cabot. Ace Books, 1944. Ty Templeton. Animal Antics #6, January 1947. Detective Comics. Oh, and urine works just fine for secret writing. In 1951, the company's top-of-the-line "Chemcraft Master Laboratory" set retailed for $27.50 (equivalent to $287 in 2021) and contained, among other things, radioactive uranium ore. I had one of these c. 1966, unfortunately my pet rabbit Billy set fire to a sink and blew a large hole through the gar...