They celebrated winning awards, took part in sponsored events and enjoyed playtime activities.
Can you spot anyone you know among our photos?
1. Having a ball!
Georgia Buckland, 22 months and Chloe Cheetham, two, playing at Clowns Day Nursery in Clay Cross. Photo: Marisa Cashill
2. Big step
Elliot Ratcliffe, Ruby-Lily Gath, Chrisoulla Lazari and Chloe Wakeling, left to right, from Little Chatterbox Nursery, Tupton, show off their medals after completing a sponsored walk. Photo: Bernard Jones
3. Creative chums
Ellie Froggatt, left, and Sapphire Noyle enjoy the new facilities at a refurbished Swanwick Nursery. Photo: Bernard Jones
4. High spirits
Amelia Cox, Joe Swain, Lacey Wright and Joel Mann take part in Treetops Nursery's balloon release in aid of Bolsover Church Youth Club. Photo: Marisa Cashill