The developers' objective was to produce a 3D modelling tool that children could learn to use in 15 minutes, yet creating realistic, complex models quickly.

First, they are simple to operate; Mrs. Chan said she has taught teachers how to use them in less than five minutes.

Until going to the "Sensation" exhibit, I did not know it was possible to use the words "ironic" and "whimsical" five thousand times in thirty minutes.

No offense, Colonel, but I could teach a pig how to use them in five minutes.

The chefs must cook a dish using only a wok, with cactus as the main ingredient, in 30 minutes.

They used him only in two games his first season and only 16 minutes last season, all in a game against Hartford.

You can learn the basics for using it in five minutes.

But on the subject of government fiscal sobriety, he used the word "prudent" five times in five minutes.

So mix only as much as can be used in about 15 minutes, and work rapidly.

In the second level, contestants prepare a dessert using banana flowers in 30 minutes.