I found a book for young kids about first experiences, showing different families experiencing things for the first time (such as going on holiday and to the doctors) to prepare children reading it. The book was published in 2005. These are the siblings from it, what do you think?
Ben and
Bess Jack,
Jenny and
Joey Polly and
Percy (twins)
MillieJake and
Jessie Lucy,
Tom and
Susie Sam and
Sophie Ollie and
Amber Tim,
Rosie and
Lily Nellie and
Ned :)