NB Laboratory(No Ads) [1000+ experimental equipment, free exploration] 1000+ equipment free exploration, open the experimental play you want! New interactive learning mode, hands-on experiments anytime, anywhere, High your learning experience! [300+ textbook experiments, easy to get started] 300+ textbook synchronous experiments, covering all the key points of junior high school physics and chemistry exams, practice them, easily master the experimental principles, and teachers will praise you for learning well! [Lots of learning resources, watch and do] Do you want more surprises? NB experiment provides a lot of learning resources, experimental operation videos, experimental reports, etc.! Watch while doing, explore the experimental process, understand the purpose of the experiment, experimental principles, experimental steps and experimental conclusions, becoming a top student is not a dream!

Are you still imagining experiments according to the textbook?

Are you still unable to get the experimental principles because you can't go to the laboratory?

Why not try it—NB laboratory!

A virtual laboratory that can be started in 1 minute,

An immersive experience that helps you complete physical and chemical experiments in minutes!

Quietly achieve overtaking on the curve!

[1000+ experimental equipment, free exploration]

1000+ equipment free exploration, open the experimental play you want! New interactive learning mode, hands-on experiments anytime, anywhere, High your learning experience!

[300+ textbook experiments, easy to get started]

300+ textbook synchronous experiments, covering all the key points of junior and senior high school physics and chemistry exams, practice them and easily master the experimental principles. The teacher will praise you for learning well!

[Lots of learning resources, watch and do]

Do you want more surprises? NB experiments provide a lot of learning resources, including experimental operation videos, experimental reports, etc.! Watch while doing, explore the experimental process, understand the purpose, principle, steps and conclusions of the experiment, and becoming a top student is not a dream!