The violin is a wooden string instrument. The violin typically has four strings and is most commonly played by drawing a bow across its strings.
The violin produces louder notes with greater bow speed or more weight on the string.
A brain is the most important part of human. It performs many functions such as memorize, calculate, process to control other parts of the body.
To improve brain is worth to invest. While children grow, their brains grow. Exercise makes children grow fast and strong. Brain training is like exercise.
It makes brains grow powerful. Children with powerful brains have high potential to succeed in study and work.