They show tiny ones having a whale of a time with everything from beach parties to graduation day, and meeting a newborn pony to a sponsored toddle.
So why not take a look at our nursery spotlight. See if you can spot anyone you know.
And watch out for more in the weeks to come.

9. What an array of costumes in 2011
Staff and children at the Early Days Nursery at Valley Road Primary School, Sunderland. Were you pictured taking part in the Barnardo Big Toddle? | JPIMedia Resell Photo: Picture by Kevin Brady

10. Toddlers at work in 2011
The Premier Kindergarten at Plains Farm Primary School. Do you recognise anyone in the picture? | JPIMedia Resell Photo: Picture by Peter Berry

11. Meeting the mascots
Samson and Delilah, the Sunderland AFC mascots, were guests of honour at the Just Learning Nursery, Doxford Park, in this 2012 scene. But who else do you recognise? | JPIMedia Resell Photo: Picture by Peter Berry

12. A new room to explore in 2012
Nursery head Teacher Diane Jeffries with young pupils in the new room of the nursery at Bexhill Primary School, Sunderland. Can you recognise the youngsters having fun? | JPIMedia Resell Photo: Picture by Angela Burn

