An electric spark is a type of electrostatic discharge that occurs when an electric field strength exceeds the dielectric field strength of air and creates an ionized electrically conductive (plasma) channel in air. You can purchase spark makers here: https://www.amazon.com/s/ref=nb_sb_ss_i_3_6?url=search-alias%3Daps&field-keywords=piezo%20lighter&sprefix=piezo+%2Caps%2C439&tag=pfamazon01-20
Another type of plasma, and one that is long-lasting, fun to play around with, and asthetically pleasing is the plasma sphere:
https://www.amazon.com/s/ref=nb_sb_...225&rh=i:aps,k:plasma globe&tag=pfamazon01-20