image/svg+xml
start
on
event
do
click
red
action
blue
broadcast
blue
0
set color
action
redink
start
on
event
do
click
blue
action
red
broadcast
red
70
set color
action
blueink
start
forever
mouse x
mouse y
set xy
x
y
if
then
else
pen up
pen down
mouse button
on
event
do
red
redink
on
event
do
blue
blueink
shell
size
image
55
shell
size
image
55
shell
size
image
55