You are viewing a single comment's thread from:RE: OPEN SOURCE CURRICULUM SERIES: ROBOTICS FOR KIDS LESSON PLAN NUMBER #4 - ANIMALS HIDING IN PLAIN SIGHTView the full contextView the direct parentcjclaro (63)in #steemiteducation • 7 years ago Like this https://en.wikipedia.org/wiki/Northrop_Grumman_B-2_Spirit