PLEASE NOTE: This item will ship by US Postal Service only.
Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Included are 24 mini model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. The 1/2A3-4T engines may be used to launch the UP Aerospace SpaceLoft bulk pack rockets, or other compatible rockets.
- Length: 1.75 in. (4.4 cm)
- Diameter: .50 in. (13 mm)
- Estimated Weight: .23 oz. (6.5 g)
Please verify that these engines are compatible with your model rocket before purchasing. This product is warranted by Estes against defects in materials or workmanship from one year of the original purchase. Please retain the warranty information included in the package so that you may reference it in the event that you receive a defective or malfunctioning product as the engines are not returnable by mail.
