With the Melbourne Flower & Garden Show fast approaching ( Mar 25th - 29th) The Horticultural Therapy Association of Victoria is a site well worth visiting to help you to think about things you may wish to look out for while at the show, especially if you are a grandparent wanting to involve your grandchild in a gardening activity or even constructing a worm farm! The selection of free pdfs. available give tips on tool selection as well other useful hints.
A sample of one pdf. is Gardening for Seniors and this one on Gardening for People with Disabilities is good if you need to make some modifications to your garden for yourself or for someone you know. Have fun!