Piano component
Nowadays, using e-book in the music lesson can become more interactive because of the new piano component. You can find the piano...
Extend Sentence component
Extend Sentence is one of the Language question type. According to your question, you can set the fonts, fonts size, fonts color and...
Line Chart component
Line Chart is a type of chart displayed the trend of data in which each data point is connected by straight line segments. It can display...
Game (Polar Bear)
For "Polar Bear", you need to move the polar bear to an igloo with your answer. Then, a penguin will welcome you if your answer is...
The technology behind instant lesson interaction
Socket communication RainbowOne uses “socket” technology for instant communication between devices, during lesson interactions. For...