Common sense is the rule, however it is in the interests of all hobby toy makers to ensure that they are complying with toy safety regulations and standards.
Although this list is not extensive, here are some basic common sense things to bear in mind.
Without trying to compromise the good work these people have done, and continue to do, one must bear in mind that none of the sites are comprehensive in their approach. It is too much to expect for any one organisation to cover every possibility.
An article from Wikipedia.
Industry Guide to Health Canada's Safety Requirements for Children's Toys and Related Products, 2012
New safety law no fun for artisan toymakers. An article about how new safety laws in the USA and the effect on toy makers.