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This is the ultimate tube marking guide from Estes. It is suitable for ages 10 and older with adult supervision for those under 12.
Includes: One Ultimate Tube Marking Guide
Note: 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.
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