Tiny Tins
US Release
Tiny Tins were first released in the US in 2004. They are miniature little ponies that come with a rectangle collectable tin. Their heads move up and down.
1st Edition
Rainbow Dash
Pinkie Pie
Sparkleworks
Minty
Sunny Daze
Sweetberry
2nd Edition
Sew-and-so
Fluttershy
Bumblesweet
Daisyjo
Serendipity
Tink-a-tink-a-too
3rd Edition (these were suggested but never released)
Cherry Blossom
Cotton Candy
Shenanigans
Cupcake
Toola-Roola
Sweetsong
Mexican Release
Tiny Tins were also released in Mexico in 2006 as part of a special Nestle promotion. As opposed to the US release, their heads do not move and their tins are square shaped.
Rainbow Dash
Sparkleworks
Sunny Daze