Estes 1693 E12-6 Model Rocket Engines, 2 Count – 24mm, with Starters & Plugs Comes with over 40 accessories:

Comes with over 40 accessories: (1) additional collet

Written and designed to fulfill educational standards for life Science and earth science

Also looks great as a decoration when stored on your shelf or bar when not in use

(3) ratchets

and store hot and cold liquids with this 25 pack of disposable 8 oz soup containers with lids

Estes 1693 E12-6 Model Rocket Engines, 2 Count – 24mm, with Starters & Plugs Comes with over 40 accessories:The Estes E12 6 is a high thrust engine with a 6 second delay, designed for heavier rockets up to 14 oz. It offers powerful launches and smooth recovery deployment for larger models. This 2 pack includes 2 engines, 2 igniters, and 4 plugsperfect for experienced rocketeers seeking altitude, reliability, and performance in mid to large sized rocket flights. Estes E12 6 engine pack includes: 2 E12 6 Engines 2 Starters 4 Starter Plugs Engine