Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 6887 – Back B October 5, 2019October 25, 2021 Master Builder 3017 Views From: 6887: Allied AvengerName: Hefty Hulk 1Instructions: View PDF | Download .io File ContributionsName, PDF, and .io file submitted on May 17, 2021 by: IceAge2002