Estes 1672 Blast-Off Model Rocket Engine Assortment Bulk Pack – 24 Engines 6 of each: A8-3, B6-4, C6-3 & C6-5 with Starters, Plugs & Wadding 11 inch tall missile features

11 inch tall missile features a one piece body tube

Explore the importance of nutrients in the growth of plants

It also has 6

Wide CO measuring range of 0 to 1000PPM

Estes 1672 Blast-Off Model Rocket Engine Assortment Bulk Pack – 24 Engines 6 of each: A8-3, B6-4, C6-3 & C6-5 with Starters, Plugs & Wadding 11 inch tall missile featuresPLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. The Blast off Bulk Pack comes with an assortment of top selling model rocket engines (24 total), along with 30 starters, 24 starter plugs, and ~72 squares of recovery wadding 24 engines total, 4 different types. Includes: Six A8 3 Six B6 4 Six C6 3 Six C6 5 Bulk packs are