These guys don’t know what’s about to hit them.

In a matter of days, their world is going to shift dramatically.

These rough and tumble boys will soon be promoted to “big brother” status.

Baby Sister is coming!

So move over Thomas the Train —

make room for princesses and tea parties and sparkly pink stuff.

Watch out cars and trucks —

get ready for hair bows and tutus and baby dolls.

Little Sissy has a lot to teach these guys —

it won’t be long now.