Estes B4-4 ENGINES
Regular price
$12.99
Couldn't load pickup availability
Share with others →
The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.