Estes 1781 A8-3 Engine Bulk Pack (24) EST1781 WAC Integrated voltage telemetry to your

Integrated voltage telemetry to your compatible Spektrum Transmitter

2' black chrome wheels

Wheel hubs

a 17-inch Self-Righting boat with Smart Technology

Unlike old technology that requires an external antenna to achieve adequate reception

Estes 1781 A8-3 Engine Bulk Pack (24) EST1781 WAC Integrated voltage telemetry to yourA8 3 Engine Educator Pk HAZ (24) Overview Estes offers several rocket engine bulk packs in four total impulse ranges. These packs may be used with the rockets listed on our Web Site or other Estes rockets. The description of each kit lists recommended engines. Select your engines based on these recommendations. Bulk packs are convenient and include everything your students will need to prepare their rockets for flights. Model Rocket Engine Bulk Packs