The Magic School bus :  Butterflies! / 
based on The Magic School Bus book series by Joanna Cole and Bruce Degen. 
 - United States :  Scholastic, Inc,  1999. 
<br/><br/> Video.  Approximately 30 minutes in length. 
<br/><br/> When the port-a-shrinker zaps the kids to bug-size, they discover the bog's most truly exciting beast, as they learn there's no surprise like butterflies! 
<br/><br/><label>ISBN: </label>1568328397 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Butterflies<br/>Magic School Bus--Series