Activity Checklist

• To make a tentacle wiggle, we could rotate it and resize it by a random small amount using a variable, and then wait a short period before reverting back.

  set 
  tentacleRotation
   to 
  pick random 
  1
   to 
  10
  set 
  tentacleSize
   to 
  pick random 
  1
   to 
  10
  change size by 
  tentacleSize
  turn ↺ 
  tentacleRotation
   degrees
  wait 
  0.5
   secs
  change size by 
  tentacleSize
   * 
  -1
  turn ↻ 
  tentacleRotation
   degrees

(Notice how we multiply the tentacleSize by -1 to get the negative value?)