We're no longer living in the space age. Tragic, we know. At some point we just got more interested in sending each other friction powered rockets, and many other ways to explore your rocket love, in toy form.
Cosmic Rocket Trains
chemicals involved, not to mention the fact that these items really can fly, these models should be used in a large field, and adult supervision is recommended.
Other Lego rockets, all of which are stationary, but fun.