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
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.
It depends on what sport you are playing.
wanting or going to play a sport