This is the B4-2 Standard Model Rocket Engines/Motors from Estes.
    Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.

FEATURES: Single stage engine
          Standard engine designed for flights in rockets weighing less
            than 4 ounces, including the engine
          Engines tested and certified by the NAR
          Easy to use and comes with clear instructions

INCLUDES: Three B4-2 Engines
          Three Igniters
          Four Igniter Plugs

REQUIRES: Model rocket
          Adult Supervision for Children Under 12

SPECS:    Length: 2.75" (7cm)
          Diameter: .69" (18mm)

COMMENTS: WARNING: Flammable. Read instructions before use

          Do not burn, soak in water to destroy

          Due to small parts that could cause a choking hazard please keep
            away from children 3 years of age and younger

          For your safety and enjoyment, always follow the NAR Model Rocketry
            Safety Code while participating in any model rocketry activities

          Residents of California, New Jersey, Rhode Island and North Dakota
            please review the Terms of Sale for state specific restrictions

          Estes products may contain chemicals known to the State of
            California to cause cancer, birth defects or other reproductive
            harm

                                                                    sdw 6/22/01
                                                                          ir/jl
                                                           updated tlc 12/13/12