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Mark and Lauren transform areas for children, along with a team of experts. They explore themes such as dance, spying and stealth, Bollywood, and libraries, in their quest for the best spaces for kids.
The Black History Den. Twelve-year-old Luke wants people to realise how important black history is.
Ten-year-old Caitlin wants to become a conservationist when she's older.
11-year-old Maariya was scared of going underwater but overcame her fear a few years ago.
Eight-year-old Nathan wants an Amazonian-themed den.
Nine-year-old Becca and her twin brother, Charlie, want a chinchilla-themed den.
Twelve-year-old Ashley needs an opera-themed den so he can sing to his heart's content.
Eight-year-old Mei needs a den where she can celebrate her Japanese heritage.
Nine-year-old Jothi needs a crazy golf den he can access all the time.
11-year-old Holly needs a relaxing den to help her forget about her actinic dermatitis.
Ten-year-old Evie wants a den where she can spend quality time with her aunt.
Matthew needs a board game den to teach his sister the board games he loves.
Twins Becca and Lottie need a den so they can enjoy wildlife and bugs together.
A look back at all the amazing dens built throughout the series.
Revisit 1. A look back at some of the amazing dens from the series.