@andonov These links are for reference what we’ve been ordering before, in order to get a sense of what we seek from every material. Some items might have changed price or are not Prime any more, so don’t always blindly follow the links
This is a wiki, so you can add/edit stuff over time.
Sharpies Black (pack of 12) - https://www.amazon.co.uk/gp/product/B00006IFHD/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
Sharpies Colourful (x24) - https://www.amazon.co.uk/gp/product/B007QU7VIQ/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1
Blank cards (pack of 1000) - https://www.amazon.co.uk/gp/product/1423220692/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Large index cards (didn’t love them and are not very cucial for teaching generally) - https://www.amazon.co.uk/gp/product/B000S5LBQ4/ref=oh_aui_detailpage_o03_s02?ie=UTF8&psc=1
Post-its - large - https://www.amazon.co.uk/gp/product/B002OVNFF0/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1
Post-its medium (a big pack) - https://www.amazon.co.uk/gp/product/B00RCJWNZM/ref=oh_aui_detailpage_o01_s01?ie=UTF8&psc=1
Post-its small - https://www.amazon.co.uk/gp/product/B0012314SQ/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1
string - https://www.amazon.co.uk/gp/product/B005EXKPJY
Best from a supermarket/stationary store on the ground:
Marshmallows (Best from a supermarket - Harribo big ones) - picture just for reference - https://www.amazon.co.uk/Haribo-Chamallows-Pink-White-Marshmallows/dp/B00763NLJG/ref=sr_1_1_a_it?rps=1&ie=UTF8&qid=1507030011&sr=8-1&keywords=haribo+marshmallows&refinements=p_76%3A419158031
spaghetti N6/7 ( any superparket)
Feedback box x1 (best get from Ryman on the ground - this is just for reference again, anything similar is ok, the should sell them by the piece too) - http://www.ryman.co.uk/ryman-select-box-file-a5-pack-of-10
Name tags - there are pre-perforated printable sheets of paper in Ryman that you can buy, print locally and easily cut by pulling them put - http://www.ryman.co.uk/durable-pin-name-badge-set-54x90mm-plus-holders-inserts (they print a bit slowly cause they are thick) - available in any Ryman.