Some people will say it is not a sport but a child's game but I believe it is a sport. It involves manual dexterity and practice to be proficient at it just like other sports. Also, periodically, National Marbles Champions have been featured in Sports Illistrated.
A metallic playing marble is a type of marble made of metal instead of glass or clay. These marbles can have a shiny or reflective surface and are often used in traditional marble games or collections.
steelie
The name of the marble board game that I enjoy playing the most is Chinese Checkers.
steelie
agate
an excellent fancy marble used to shoot with in playing marbles
No playing an instrument is not considered a sport.
playing marble with his sons
I/You/We/They play. He/She/It plays. The present participle is playing.
If your perfect score is 300 what sport are you playing?
It can be both. If you are playing a sport for a team. Then you are doing a sport. If you just sitting on your sofa, you are watching a sport.
wanting or going to play a sport