The Duchess of Cambridge is launching a Blue Peter competition to ask for a back to nature garden.
Kate is calling on viewers to come up with ideas, using natural materials, for visitors to interact with them, based on the theme of nature.
The winning entrant wants to have their sculpture built and installed in the duchess' Chelsea Flower Show garden when it moves to RHS Wisley in Surrey in September.
Blue Peter Badge holder, appearing in a special film, being shown on Thursday's edition of the BBC program and being given a green Blue Peter Badge for her efforts.
Prince George, Princess Charlotte and Prince Louis are "dragged outside", whatever the weather.
Lindsey Russell and local school children at Westminster City Council's Paddington Recreation Ground. Kate is shown taking part in pond dipping, planting and team building.
She tells Russell how she enjoys spending time with her family outdoors, saying: "Rain or shine, they're dragged outside.
"It's great. It encourages creativity, confidence and even a short amount of time – 10 or 15 minutes outside – makes a huge difference to both physical well-being and so to our mental well-being. "
The duchess, with her arms rolled up and gardening gloves on, plants in a metal watering can, as the school children use old wellies as up-cycled plant pots.
She tells how, while looking for newts and tadpoles, pond dipping is "massively up my street, yes definitely. I love it ".
Chatting to the children, Kate says: "What have you guys found when you've been here? … Do you know what the tadpoles eventually turn into? Have you ever seen any froggies? "
As one girl picks up a newt, Kate says: "Look at you. Well done. That is amazing. "
Kate and Russell are thus challenged to a team building competition by Young Gardener and RHS Ambassador George Hassall, who splits the group into Team Catherine and Team Lindsey.
"There's so many cool things in here," she says.
"I love it, but I'm in your hands," the duchess says of the building.
Crouched inside her finished the, the duchess asks the children: "Shall we make a name for ours? What do you think we should call it? "
To the idea of the day, she replies: "Den of the Day – I like that. Well done. You did an amazing job and you did it quickly. "
When the winner is announced as Team Catherine, Kate gives a "woo", a double thumbs up and claps.
The duchess, dressed casually in her buttoned-up Troy Tracker jacket, black skinny trousers and sage-colored pumps, what wearing her gold Blue Peter badge.
A delighted Kate was presented with a new green "environment, conservation and nature" Blue Peter badge.
Kate gained her rare gold badge after appearing on the Duke of Cambridge in 2017, receiving the honor for her work on children's mental health.
The winning sculpture will be installed and installed at Kate's Garden at RHS Wisley.
The Royal Garden competition, which runs from June 13 to June 25, is part of the duchess' mission to encourage children and families to get back to nature, and highlight the positive impact that nature can have on childhood development
Her woodland wilderness garden at the Chelsea Flower Show in May featured a high-platform tree house, a rope swing, a rustic and a campfire as well as a tree stump, stepping stones and a hollow log for children to play on.
George, Charlotte and Louis were taken by Kate and William, and the children of Cambridge spent about an hour in their stream and running around their woodland paths.
:: The Blue Peter episode featuring the duchess will be released on Thursday June 13 on CBBC at 5.30pm.