Estes 1784 B6-0/B6-6 Model Rocket Engine Bulk Pack - 24 Engines with Starters, Plugs & Recovery Wadding It has a flexible polyolefin

It has a flexible polyolefin construction that offers moisture-seal protection

Product Dimensions (L x W x H): 344 x 188 x 142 MM

and Nutrition Class size: 40 students

and scientific

5 g Dimensions 3

Estes 1784 B6-0/B6-6 Model Rocket Engine Bulk Pack - 24 Engines with Starters, Plugs & Recovery Wadding It has a flexible polyolefinPLEASE NOTE: These are 18mm diameter engines designed for two stage rockets. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes B6 0 B6 6 bulk pack includes 24 engines (12 of each engine), 30 starters, 24 starter plugs, and ~72 squares of recovery wadding all the rocket engine supplies you need to launch 12 *two stage* rockets! The B6 0 is a booster stage engine