How many bags are in the LEGO space shuttle?

How many bags are in the LEGO space shuttle? The detail is exquisite, and it also includes a bonus Hubble Space Telescope as a separate and equally as detailed build. Inside the box there’s 18 bags across 17 numbered steps, and a bag of the larger parts.

The detail is exquisite, and it also includes a bonus Hubble Space Telescope as a separate and equally as detailed build. Inside the box there’s 18 bags across 17 numbered steps, and a bag of the larger parts.