Connectors (also known as Socket Poppers) were figures put out in the early 90's that had interchangeable body parts so you could mix them together.

2-Packs

Army Soldier / Sea Creature - Matchbox

Football Player / Swamp Monster - Matchbox

Indian / Robot - Matchbox

Punk Rocker / Dinosaur - Matchbox

Sheriff / Mummy - Matchbox

Skater / Pterodactyl - Matchbox

Wrestler / Fly Monster - Matchbox

5-Packs

Fly Monster / Punk Rocker / Vampire / Dinosaur / Football Player - Matchbox

Mummy / Soldier / Indian / Swamp Monster / Skater - Matchbox

Wrestler / Sea Creature / Robot / Punk Rocker / Pterodactyl - Matchbox

Basic Series

Army Soldier - Matchbox

Cyclops - Matchbox

Football Player - Matchbox

Indian - Matchbox

Mummy - Matchbox

Pterodactyl - Matchbox

Punk Rocker - Matchbox

Robot - Matchbox

Sea Creature - Matchbox

Sheriff - Matchbox

Skater - Matchbox

Swamp Monster - Matchbox

Wrestler - Matchbox