* Stars are massive: Stars are enormous balls of burning gas, much larger than anything we could possibly transport. Even the smallest stars are hundreds of times larger than our planet.
* Stars are incredibly hot: The surface temperature of a star is measured in thousands of degrees. Any attempt to bring a star to Earth would instantly incinerate everything in its path.
* Stars are held in place by gravity: Stars are held in orbit around the center of their galaxies by massive gravitational forces. Overcoming this force to move a star would require unimaginable energy.
* Stars are far away: Even the closest star to our Sun is light-years away. This means it would take light, traveling at 186,000 miles per second, years to reach us from that star. Transporting a star would be astronomically challenging.
So, while it's a cool thought experiment, bringing a star to Earth is not possible with current technology or even foreseeable future technology.