Rocketry Product Index
Tags = Scale / X-Prize
In 2004, Estes released a group of kits based on X-Prize competitors. These scale flying model rocket kits included:
| 2188 | Canadian Arrow |
| 2189 | Space Transport Corporation Rubicon |
| 2190 | Lonestar Cosmos Mariner |
| 2191 | Scaled Composites SpaceShipOne |
| 2192 | Starchaser Industries Thunderstar |
| 2193 | Vanguard Spacecraft Eagle |
| 2196 | Scaled Composites SpaceShipOne (Maxi) |
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