Nothing that has been done for his early education required lots of money.
(Obviously, being in a developed country like Australia helped a lot --- but one can imagine something similar being done in almost any densely populated urban area in the world.)
However, almost everything in his very early age required large amounts of time, thinking, and attention by his parents.
If you have enough time, and your young children are interested in something, don't leave them to figure it out themselves.
Nothing that has been done for his early education required lots of money. (Obviously, being in a developed country like Australia helped a lot --- but one can imagine something similar being done in almost any densely populated urban area in the world.)
However, almost everything in his very early age required large amounts of time, thinking, and attention by his parents.
If you have enough time, and your young children are interested in something, don't leave them to figure it out themselves.