This seems to be the PS5 of the LEGO world atm, Smyths have the LEGO Creator Expert 10281 Bonsai Tree back in stock at £44.99 delivered and at some stores for free click & collect, yes I know this is RRP but better than the high resell prices on eBay and Amazon atm.
Everywhere else is either out of stock or at inflated third market prices. Also whiles I'm at it Smyths surprisingly have a restock of the LEGO IDEAS 21316 The Flintstones at some stores for C&C - See Here
Product Description (copied directly from Smyths
The art of bonsai has captured the imaginations of tree lovers for centuries. The LEGO Bonsai Tree building set for adults celebrates this ancient art.
Enjoy a sense of calm as you carefully shape the bonsai tree model with either green leaves or pink cherry blossoms. Swap the coloured crowns to create new LEGO bonsai designs, custom arranging your model tree to make each display unique. This exquisitely detailed model rewards the careful eye – do you see the tiny frogs that make up each pink blossom?
The LEGO Bonsai Tree model comes with a rectangular pot and a slatted wood-effect LEGO stand, creating an elegant display piece for any home or office. Part of the LEGO Botanical Collection for adults, this beautiful LEGO Bonsai Tree includes leaf elements made from a plant- based plastic, produced using sustainably sourced sugarcane.