sub'r{$==rand pop}$|=print"\e[2J";r$l=`tput lines`-2,s/^$/"\e[$=;".r($
+c
=`tput cols`-2).f.' Oo*... '=~s!\S\K!\e[B\b !gr/e/s/\d++\B/($a=$&-1)+(
+$
==!$a+r$a%$c?3:2)/e/s/(?<=(.)...B.)./$1/g/s/f\K./chr 32>>$=/e/s/\d+/($
+&
||$l)-1/e,select$,,$,,$,,.009*print$&?$_:"\e[f"."\e[K\n"x6while*_=r.r+
+9

[download]
EDIT: golfed it down a bit, also fixed some literal edge cases (the sprites where behaving strangely when they hit the edges of the screen). 
sub'v{$==!$-+rand pop}[s/\d+/$|--?($-=$&-1)+v$-%$c?3:2:$&-print||`stty
+ size`-
print$&?"\e[?25l\e[2J":y!Oo*.! !r/ge?s/(?<=f|(.))...B.\K./$1||chr 32>>
+$=/ge..
4E4:s/|/o*... //s//\e[B\b /g/s//\e[1;${\v$c=`tput cols`-2}fO/]while*_=
+_.v-42#

[download]
The number at the beginning of the last line determines the speed (smaller = faster). The number at the end of the last line is the maximum number of sprites that can be on screen simultaneously.

In reply to Fireworks by Grimy

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