These reusable, simple-to-use plastic adapters allow you to load standard 18mm diameter motors in rockets designed for the larger, 24mm motors.

Just insert a standard B6 or C6 engine into the adapter, then insert the adapter into a rockets weighing up to four ounces that would normally fly on C11 or D12 engines.

Three adapters are included.

NOTE: These motor adapters have been tested in products that use Estes metal engine hooks. They may not work well with other types of engine hooks.

• Manufacturer: Estes