|Wooden counters and playing pieces, all shapes, sizes & colours|
this link, if you're interested in bits and pieces of this type.
Tonight I've ordered a stack of 8mm wooden cubes, just to stick a toe in the water - 10 each of 16 colours. 8mm cubes are small enough to be neat and tidy, but big enough to stay put and capable of being picked up by my elephant's-feet fingers.
The website is crisp and bright and logical and friendly, and they take PayPal. Oh - and their prices are good too.