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Save 20% and get the lowest price we've seen this year on a two-in-one model rocket set from Estes. The Estes Tandem-X Launch ...

The Falcon 9 model rocket represents another big step forward in Estes Industries' overall mission to ignite the imagination of people everywhere by putting the wonder of space travel in their hands.

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's stockpiling supplies ahead of Trump's tariffs.

The two loved tinkering with rocket parts, which also led to a few mishaps. “[We] nearly killed ourselves a few times. But we took the hidings and learned from our mistakes,” Grobler said.

Since then, model rocket designers have attempted to recreate the feat—with Joe Barnard’s BPS.space accomplishing the milestone in 2022 after 7 years of work.