I'm sorry but I'm unable to find any suitable supplier for the products you're interested in, perhaps they're sold through authorized distributors only. Try to contact them directly to see how you could go about reselling their products, I'm pretty sure Insect Lore offers wholesale accounts -
Link hidden: Login to view
As for Bananagrams, I didn't find any wholesale info on their website, but if you'd like to try and contact them, you'll find their details here -
Link hidden: Login to view
And I'm sorry but I'm not sure what a "blackout blind" toy is. What kept popping up during my search were room darkening shades and curtains. Anyway, for other toys, you can try these UK-based suppliers -
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
All the best!