How research linking climate change and extreme weather events is being used in lawsuits.
The government will interview the young people and their parents before and after they try the limits to assess their impact.
The move comes less two years after the launch of the AI video app sent shockwaves through the media industry.
Reports it plans the biggest listing ever sent the shares of firms in its orbit soaring in US trade on Wednesday.
Customers who do not confirm how old they are or are underage will have web content filters turned on automatically.
Roblox said safety was a top priority and it had advanced safeguards in place to keep users safe.