Real Flying Models / Flights to 2000 ft. BLAST OFF with the "Javelin". Ideal beginner kit with 3 powerful rocket engines, 1800 ft. flights, parachute recovery, launch many times,. 13" long, complete instructions. Order JAVELIN K-31 with free catalogue ONLY $2.50 postpaid; or SK-150 including K-31 kitabove plus launcher and ignition device $ 6.95 postpaid.
— , Centuri Engineering, , advert, , Boys Life, , October 1965
- Centuri Engineering Co. – Educational Products Division, Box 1988, Phoenix, Arizona 85001