A woman has shown off her talented sister-in-law's impressive DIY after she made a ball pit from scratch using only four items for under $100.

In the comments, people suggested it would be much cheaper to attempt a ball pit chair DIY. You could buy clear inflatable chairs or use pool floats, cut a hole in them, insert the balls, and then ...

The animal lovers at Maymo created a DIY ball pit for the best birthday surprise ever.