Estes® Standard Engines B6-4 Bulk Pack
Bulk packs include 24 rocket engines, 30 model rocket igniters, 24 reusable igniter plugs, and 75 (4½") squares of recovery wadding, enough for approximately 25 launches. B6-4. Bulk pack. This item can only ship to a commercial address and a $25 additional Hazmat fee applies.