Learn how to draw a child racing in a go-kart on a specialized go-kart race track, with simple steps suitable for 6-year-old children.
Let's check the grammar of your sentence step-by-step:
Your original sentence: "Draw a child racing in a go-kart in a specially built go-cart race track."
Corrections needed:
A corrected version of your sentence would be:
"Draw a child racing in a go-kart on a specially built go-kart race track."
This sentence is now grammatically correct and clear.