Estes 1507 A3-4T Mini Model Rocket Engines, 4 Count – 13mm Single-Stage with Starters & Plugs 4 mm) with removeable neoprene

4 mm) with removeable neoprene jaw pads

Multiple Voltage: Input 10-30V DC

The Expert target is smaller and more difficult to shoot

Use any Full size glue stick

board level assembly and repair

Estes 1507 A3-4T Mini Model Rocket Engines, 4 Count – 13mm Single-Stage with Starters & Plugs 4 mm) with removeable neoprenePLEASE NOTE: These are mini (13mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes A3 4T engine pack includes 4 mini engines, 4 starters, and 4 starter plugs The A3 4T is a single stage mini engine designed for flights in lightweight rockets Recommended for use with the Mini Mean Machine, Mini Honest