Clamshells
From My Little Wiki
Clamshells came with G1 adult sea ponies.
yellow clamshell, came with Italian Wave Breaker
lime green clamshell, came with Wave Jumper
green clamshell, came with Sealight
aqua clamshell, came with Sand Dollar
pink clamshell, came with Seawinkle
purple clamshell, came with Wavedancer
light purple clamshell, came with High Tide