Any must haves for teen girls stocking fillers this year?

Clip on ring light for online lessons (sadly) about a fiver from Amazon. (Can be used for phones, tablets, laptops and PCs)
USB sticks
Chargers
Vouchers from places like Costa, Starbucks
Fluffy socks from Sockshop
Mug
Cookbook
Pants/socks/bras
Highlighter pens (Amazon did a fabulous offer last year with about 20 in)
Photo gifts: keyrings, placemats, calendars
Fairy lights
Light box
Sheet masks
Bath bombs
Voucher for Prezzo (I got one yesterday from Give a Gift, 3 courses X 2 for £20 with code CHRISTMAS, valid for 2 years. )
Notebooks
Stationery from Kawaii shop (pushing it now for delivery)
Power bank
Candles
Perfume discovery sets

Prezzybox always has some good bits and bobs, especially if you want suggestions other than the smellies/fashion type things you've already got.

Annoyingly, filtering for 'boys stocking fillers' finds the best stuff...just ignore all the fart-based gifts!
www.prezzybox.com/stocking-fillers-for-teenage-boys.aspx?page=5&sort=category_default&order=desc&modified=true
e.g.
Instant air hockey
Sudoku cube
Drumstick pens
Build you own radio
Quizzoo roulette (this one is great for family game time on Christmas day)
Multi tool keyring
Retro games controller
Plant growing kits
Build your own pinball machine

Second Tangle Teezers & Invisibobbles!
Things that have gone down well...
Dry shampoo
Hairspray
Mini perfume
Nail varnish
Mascara (Essense Lash Princess Black & Purple one)
Lip balm
Handcream
Translucent pressed powder
Hair towel turban
Earings
Pair of nice socks (accessorise have good designs)
Knickers
Tights
Sweets
Nice pen from Paperchase
Leave in hair treatments (argan oil bottle or sachets from Boots etc.)
Foot scrub sachet
Candle

Japanese or American candy, mini cactus or similar ( you can get funky ones in supermarkets or next/new look), beauty headband, microfibre turban for after washing hair, nail varnish

Sweaty Betty spiral hair ties
Invisibobble scrunchie
Tangle teezer brush
Shampoo bar
Shower steamers
Face mask
Red velvet brownie votive www.tesco.com/groceries/en-GB/products/306752914
Yankee car jar (if they have a car!)
Mug cake kit
Fairy lights

Sheet face masks are popular my dd 14 loves them.
Body spray my dd likes So ones but Victoria’s Secret ones are popular too.
Bath bomb.
Nice stationary: pens, post its, notebook.