The Goony Max is one of Excelsior Rocketry's "Goony Retro-Bash" line of decal/plan sets. Fred Talasco at Excelsior has created a line of kit bashes that are a throwback to the old Estes "Goonybirds". Fred's designs are based on old Estes kits (in this case the Red Max), and some original ideas which all use the Estes Baby Bertha as the starting point, although there is now a "Fat Max" ...
Der Goony Max is an inspired bit of lunacy from Excelsior Rocketry, and I guess depending on where you stand on the Goony issue, this series is either genius or a waste of a good Baby Bertha. Speaking as the one-time-owner of an original Goonybird Cloudhopper, I happen to fall on the genius side of the ledger, and to be honest, I can't imagine anyone would fall anywhere else. Der Goony Max is ...