Vintage Centuri Flying Model Rocket Engine Operating Instructions NM. NO RETURNS. Buyer to pay $3 shipping. Shipping includes insurance for full value of item, increase in US postal rates and ebay's fees on shipping. No shipping outside US. Please DO NOT bid if you are outside the USA. NY State residents will be charged sales tax. We reserve the right not to sell item for any reason. DO NOT bid if you have under 10 feedback.