Download available via Wayback Machine.

https://web.archive.org/web/20031119082848/http://i.cartoonnetwork.com:80/toon/powerplay/games/beebos/BEEBOsSetup.exe

If the time-trial version doesn't work out with you, I recommend viewing Tomysshadow's MEGA folder with a big majority of the Powerplay games: https://mega.nz/#F!cwYFGY7B!Mn-s_NFlrOACssDgFUgqZg