Estes Tandem-X Launch Set (Amazon and Crossfire ISX) NIOB

Estes Tandem-X Launch set. New in retail box. Box was opened to check contents but they were never removed. This is a great project for a father son or daughter to assemble together and fly. My little one's really enjoyed flying these rockets. Great home school project. Interested, make an offer. From a smoke and pet hair free home. Fast shipping.
From the maker: The is quick and easy to assemble, the huge rocket, standing 30in tall, can reach heights over 650 feet with recovery on a colorful 18 inch preassembled parachute. The Crossfire can easily be built in about a day and features a totally streamlined shape with aerodynamic fins and nose cone. This bullet can reach Cloud busting heights up to 1, 200 feet. Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Recommended engines: a8-3 first Flight, b4-4, b6-4, c6-5, c6-7. Tools, construction and finishing supplies sold separately. In order to launch, model rocket engines, starters and rec