Launch your next model rocket on an Estes Rockets E12-4 Engine An upper stage engine that can also be used as a single stage Designed for model rockets that weigh less than 17oz Each package includes 3 engines, 4 starters and 4 plugs Total Impulse: 30.00 N-sec Max Thrust: 30.60 Newtons Can only be shipped via UPS Ground/Hazmat Delivery. No international shipping is allowed. Stock up and buy multiples at once to get the most out of the mandatory $48 Hazmat Fee These Engines are not eligible for free shipping due to hazmat transportation The Estes Rockets E12-4 is one powerful upper stage engine, to send your newly built rocket soaring to altitude (can also be used as a single stage). The package includes 3 engines, 4 starters and 4 starter plugs. Max thrust is 30.00 Newtons. And, these engines only ship UPS Ground w/Hazmat Fee & delivery. Products Containing Crystalline Silica | CA Prop 65 Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times.
