A3-4T Mini Engines (4) by Estes Rockets #1507

• Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
  

FEATURES:

• Single stage engine
  
• Mini engine designed for flights in lightweight rockets
  
• Engines tested and certified by the NAR
  
• Easy to use and comes with clear instructions
  
• Available in blister pack package 

INCLUDES:

• Four A3-4T Engines
  
• Four Igniters
  
• Four Igniter Plugs
  

REQUIRES: Model rocket and Adult Supervision for Children Under 12

SPECS: Length: 1.75" (4.4cm) Diameter: .5" (13mm)