Every year, thousands of young inventors show their ideas at NICEE. Some kids get invited to NICEE. The main goal of NICEE is to help kids know real problems and find ways to1 them.
2 this goal, many schools now have invention clubs. Kids in the clubs work together. They3 ways to make life better. They might invent something to make a job 4 or make people safer.
For example, Lucca wanted to help people like his grandmother. She had to 5 a breathing mask ( 面罩 ) in the hospital. That made it hard for others to hear her voice. So Lucca invented a new mask which6 a microphone. It send the person's voice to a speaker(扬声器). Now users can talk with others.
Inventions can be simple. One winner, Maddox, made a new garden shovel(铁铲). The shovel has marks on it to help gardeners know7 deep to dig their holes.
Before kids choose an idea, they have to build a model that works They 8 spend more than $ 50. The invention must be9. It also must fit inside a certain space.
NICEE shows the best inventions from the states. Young inventors get to meet one another.
They see 10 great ideas. Some of them win prizes. They can even learn about ways to sell their inventions.