Here are mine! (Wouldn't get the silent spinner though - the 12" one is massive and doesn't spin well).
Corner Potty tray (if you don't already have one)
Hamster Potty corner Litter Tray for Mice Hamster Gerbil Cage House. Size: 16 × 7 × 12/12 cm: Amazon.co.uk: Pet Supplies
Hamster napper (for out of cage time)
Hamster Napper 16cm/13cm: Amazon.co.uk: Pet Supplies
Charlie loves this tube - goes in and out of the hole on the side and chews it too
Rosewood Boredom Breaker Small Animal Activity Hyacinth Tunnel, Small: Amazon.co.uk: Pet Supplies
Rosewood dandelion sticks
Rosewood Naturals Dandelion Sticks Treat 120 g: Amazon.co.uk: Pet Supplies
Another rosewood chew play thingy
Rosewood Naturals Rodent Playground for Small Animals: Amazon.co.uk: Pet Supplies
Rat slipper (for out of cage time) - Charlie loves to go in this but you have to keep an eye out for chewing
http://www.amazon.co.uk/Little-Frien...ywords=hamster
Cork lined Karlie wheel (photo shows standard wheel) - it would need plastikoting. Soft for hamsters feet and has same quiet ballbearing engineering.
http://www.amazon.co.uk/Karlie-Flami...ywords=hamster
Kerbl bendy bridge - it's a nice quality one
http://www.amazon.co.uk/Kerbl-Willow...ywords=hamster
This might be fun in a detolf (without the fluffy bedding shown obviously!) - reckon it's just about big enough for a Syrian
http://www.amazon.co.uk/Karlie-Wonde...ywords=hamster
Shrimp cookies - these go down a storm
http://www.amazon.co.uk/Rosewood-Shr...ywords=hamster
I've always fancied this - I think it's big enough - 8" x 7" - and put sand in the bottom bit.
http://www.amazon.co.uk/Living-World...ywords=hamster
These steps
http://www.amazon.co.uk/Trixie-6214-...ywords=hamster
Rosewood little hearts treats (used these for Taming - Charlie liked them)
http://www.amazon.co.uk/Rosewood-Nat...ywords=hamster
Log tunnel
http://www.amazon.co.uk/Wooden-Bridg...ywords=hamster
Large cardboard hay house with carrot topped (this could be partly submerged in a hay house and make a hide and platform). The small hamster sized one is ok too but the guinea pig sized one is Amazon Prime and the Hamster sized one isn't
http://www.amazon.co.uk/Rosewood-Nat...ywords=hamster
Wood bench - would need to sit on top of something really rather than on top of substrate - eg house roof or platform of some kind. I have mine on top of the Ferplast Sin house listed below.
http://www.amazon.co.uk/Kerbl-Wooden...ywords=hamster
Colourful bendy stick bridge
http://www.amazon.co.uk/Superpet-Tro...ywords=hamster
Ferplast sin large house/nesting box with lift off roof (I have this one for Charlie with a bendy bridge over the entrance and have it on the floor of the cage with the substrate built up round the sides so it is mostly underground - and put a couple of inches of substrate inside it - there's room for that is it's quite tall). It's big enough for a large nest, potty tray and plenty of hoards
You'd need to paint it with plastikote, but you can leave the house in the cage and just take the top off for checking/spot cleaning.
http://www.amazon.co.uk/Ferplast-846...last+sin+house