In terms of action figures, the Super Powers Collection consisted of the 3 3/4 inch size popularized by Kenner's Star Wars line, and included three waves.
The first wave of figures included twelve iconic figures: Superman, Flash, Batman, Robin, Green Lantern, Wonder Woman, Aquaman, Hawkman and villains such as Brainiac, Luthor, Penguin and Joker. Joker came with a green, oversized Joker mallet, and Penguin was armed -- of course -- with an umbrella. So he could battle Superman, Luthor wore a "power suit."
Second and third wave figures in this Kenner line included Green Arrow, Martian Manhunter, Red Tornado, Dr. Fate, Darkseid, Kalibak, Plastic Man, Shazam, Samurai, Mr. Freeze and more.
There was even a mail-away Clark Kent action figure that today is highly prized amongst collectors.
In terms of vehicles, the Super Powers Collection offered several. There was a blue batcopter and blue Batmobile (two-seater) and a rocket-like "Supermobile" (though why Superman would need a vehicle is a question I need answered immediately...).
Other vehicles were a bit more unfamiliar.
For instance, Lex Luthor had his very own plane/car combination, the Lex-Soar 7. This purple rocket was described as his "assault ship" and came complete with a Kryptonite Crystal, laser cannons and action figure "gripper claws" so Luthor could "use Kryptonite to weaken Superman!"
Another villain's conveyance was the Kalibak Boulder Bomber Vehicle, the "Cruel Crusher's Massive Machine." It came pimped out with spring-launched maces, grinding teeth (!) and removable spearheads. The box advertised that "No one gets in the way of Kalibak as the teeth of this vicious vehicle grind into action!"
Perhaps the coolest to associated with the Kenner Super Powers Collection was the very large, cast-in-yellow Hall of Justice Play set. Once opened, this huge toy revealed several internal computer rooms, two jail cells for villains, a trap door mechanism on an upper level, and a storage center for Super Friend equipment.
Opened up, this great toy featured three over-sized rooms, one in blue.
Now if only Kenner had produced a Legion of Doom HQ in this series...