Starsong

Comes with a star-shaped balloon and a party hat.

Story from MyLittlePony.com (Official Hasbro Site):
Any time is party time with this sweet STARSONG baby pony figure. Put on her party hat and clip-on her balloon accessory and sing “Happy Birthday” to get the party started!

Scootaloo

Comes with a rabbit plush and a sock hat with 'rabbit ears'.

Story from MyLittlePony.com (Official Hasbro Site):
Any time is party time with this sweet SCOOTALOO baby pony figure. Put on her party hat and clip-on her balloon accessory and sing “Happy Birthday” to get the party started!

Toola Roola

(comes with bonnet and alphabet blocks)

Cheerilee
(comes with big cupcake and some cookies)

Story from MyLittlePony.com (Official Hasbro Site):
Get ready to cook up some special fun with your CHEERILEE pony! This baby pony is ready for a snack, so treat her to “cookies” and a “cupcake” that are almost as big as she is! With her cute smile and adorable curly hair, she’s just as sweet as her treats. Baby pony figure comes with cookies and cupcake accessories.

Rainbow Dash
(comes with slicker and a duck toy)

Story from MyLittlePony.com (Official Hasbro Site):
Get ready to splish-splash into action with your adorable RAINBOW DASH pony! Put her in her pink poncho - and don’t forget her rubber ducky—to play for hours and hours, even after rainy skies are all cleared up! Baby pony figure comes with poncho and rubber ducky accessories.

Toola Roola
(comes with bonnet and alphabet blocks)

Story from MyLittlePony.com (Official Hasbro Site):
Get ready to help TOOLA-ROOLA pony learn and play! This baby pony in her cute little bonnet just loves to play with her “blocks”. Cuddle her close and teach her the ABCs, because your baby pony learns best from her very own “mommy”! Baby pony figure comes with bonnet and block accessories.

Pinkie Pie
(Comes with a scarf and a hat)

Story from MyLittlePony.com (Official Hasbro Site):
Little PINKIE PIE pony is everyone’s best friend. All the ponies can count on her for a laugh and a smile. Bundle up your baby pony figure in her cozy hat and scarf accessories so she’ll be ready for all kinds of fun in any kind of weather. Baby pony figure comes with hat and scarf accessories.

Strolling Along with Sweetie Belle

This set comes with a stroller, a purse, a hat

Story from MyLittlePony.com (Official Hasbro Site):
Take care of your very own baby pony with this sweet SWEETIE BELLE baby pony figure! Take her for rides in her stroller that really rolls! “Feed” her the bottle and keep her looking cute-as-can-be in her pony-sized hat! With her diaper bag in tow, you’ll have all the essentials for loads of baby pony fun! Baby pony figure comes with stroller with bottle, hat and diaper bag.

Scootaloo's Party

This set comes with a birthday cake, a party hat, balloons and present.

Story from MyLittlePony.com (Official Hasbro Site):
It’s SCOOTALOO pony’s first birthday and she needs you to help celebrate! Put on her adorable party hat so she’s dressed just right and then surprise her with her special balloons and birthday cake accessories. But wait, the party’s not over yet—treat your precious little pony to a special “birthday present” just for her! Pony figure comes with birthday cake, party hat, balloons and present accessories.

Playtime with Starsong

This set comes with a baby bouncer, a set of play keys, an elephant, and a rattle.

Story from MyLittlePony.com (Official Hasbro Site):
Your STARSONG pony is ready for playtime and her favorite playmate is you! Seat her in her cute little baby bouncer accessory and then give your sweet newborn pony her “rattle”, “elephant” and “keys”. Playtime has never been more fun or more adorable! Pony figure comes with bouncer, rattle, elephant and key accessories.

Little Rainbow Dash's Room

The playset comes with baby Rainbow Dash, a dinosaur ride, a blanket, a toy bearl, a skirt, a cradle, and a book. Also a plastic room playset.

Little Rainbow Dash's Room - Bonus Set
(March 2009)

This bonus set was avalible at Toys R Us. It came with a bonus baby Cheerilee and a bonnet.

Pinkie Pie's Playhouse

The Playhouse playset includes Pinkie Pie, crib, swing, pull toy, teddy bear toy, milk bottle and bowl accessories.

Story from MyLittlePony.com (Official Hasbro Site):
Playing house is extra fun when you’re taking care of your adorable PINKIE PIE pony figure in her own little house! Take her “outside” of her playhouse to swing on her swing and play with her pull toy accessory and then take her inside to use her “potty” and push the button for sounds! After you two are done playing and she’s ready for her nap, put her in her crib and press another button for lights and music to give her plenty of sweet dreams. Home sweet home has never been sweeter! Precious playhouse has everything baby PINKIE PIE pony needs to feel at home, including a swing, a potty and crib and other fun accessories—plus sounds, lights and music at the push of a button! Playhouse playset includes pony figure, crib, swing, pull toy, teddy bear toy, milk bottle and bowl accessories.
Includes 3 “AAA” POWRFUEL batteries.

Newborn Cuties Pinkie Pie's Playhouse With Bonus Ponies

During Christmas shopping time Pinkie Pie's Playhouse was issued with a bonus.

This set comes with Pinkie Pie and the normal nursery accessories and the bonus items: Rainbow Dash, Starsong and bonus items sock cap, bonnet, party hat, alphabet blocks, and star-shaped balloon.
Found only at Toys 'r Us.