They may be okay if you look at them as educational devices. But toys can teach the wrong things. Robots are tools that can help you do your job. In terms of hardware manufacture, Australia is the poor man of Asia. In 1998 the head of Intel spoke to the Federal Cabinet.
Companies go where it s easy to build and get to market.
There is also value in ideas that lead to products. If there is a choice between manufacturing and intellectual property, I would rather have intellectual property. Shipping costs from Australia are prohibitive. Australia was making computers long before Taiwan. Taiwan now has a computer industry 100 times bigger than ours.