Estes 1614PK3 C6-5 Model Rocket Engines, 9 Count – 18mm Single-Stage Motors with Starters & Plugs Tactile buttons for easy setting

Tactile buttons for easy setting and mode selection

FM (frequency modulation) receiver designed to receive FM signals in the frequency range (88-108MHz)

speaker and headphones are not included

Move the tool in a slightly circular motion until the solder completely melts

Estes 1614PK3 C6-5 Model Rocket Engines, 9 Count – 18mm Single-Stage Motors with Starters & Plugs Tactile buttons for easy settingPLEASE 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. 3 Packs of Estes C6 5 engines total of 9 engines (each pack includes 3 engines, 4 starters, and 4 starter plugs) The C6 5 is a single stage engine designed for flights in rockets weighing less than 4 ounces, including the engine Recommended for use with the Antar, Big Bertha,