Even when they are 14 years old, it wouldn't be any different if a 9 or 10 year old played with this.
My 9 year old granddaughter loves it, I purchased it for her again.
Is there a hole that could hold money?
When the individual triangles are rolled into a geode shape, there is a space inside where the bills can be folded tightly but the speks are small so the bills will have to be folded into very small pieces.
Is the lava orange or red?
It is between both and transparent.
Does it have instructions on how to form the different patterns?
There are only a couple pics but not much else compared to their video.
Why is this recommended for children under the age of 9 years, and only for those 14 years and older?
It might be a liability issue that requires age requirement old enough to know better than to use it for other purpose.