On the first day of Simsmas, The Sims 3 gave to me:
parrot in The Sims 3.

On the second day of Simsmas, The Sims 3 gave to me:
Two plumbots kissing,
And a portal in The Sims 3.

On the third day of Simsmas The Sims 3 gave to me:
Three Sims a sunning,
Two plumbots kissing,
And a pirate in The Sims 3.

On the fourth day of Simsmas, The Sims 3 gave to me:
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a piano in The Sims 3.

On the fifth day of Simsmas, The Sims 3 gave to me:
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a pool boy in The Sims 3.

On the sixth day of Simsmas, The Sims 3 gave to me:
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a poisoned apple in The Sims 3.

On the seventh day of Simsmas, The Sims 3 gave to me:
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a poodle in The Sims 3.

On the eighth day of Simsmas, The Sims 3 gave to me:
Eight mermaids swimming,
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a potion in The Sims 3.

On the ninth day of Simsmas, The Sims 3 gave to me:
Nine pranksters pranking,
Eight mermaids swimming,
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a punk band in The Sims 3.

On the tenth day of Simsmas, The Sims 3 gave to me:
Ten streakers streaking,
Nine pranksters pranking,
Eight mermaids swimming,
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a pink bunny in The Sims 3.

On the eleventh day of Simsmas, The Sims 3 gave to me:
Eleven spirits ghosting,
Ten streakers streaking,
Nine pranksters pranking,
Eight mermaids swimming,
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
And a puppy in The Sims 3.

On the twelfth day of Simsmas, The Sims 3 gave to me:
Twelve gnomes a plenty,
Eleven spirits ghosting,
Ten streakers streaking,
Nine pranksters pranking,
Eight mermaids swimming,
Seven creepers creeping,
Six horses roaming,
Five Sims a kicking,
Four seasons changing,
Three Sims a sunning,
Two plumbots kissing,
and a parrot in The Sims 3.