Click the squares in numerical order to get a message that makes sense! (meaning you can click them out of order but you wouldn't understand a thing!)
Also, here is the link to the thing that tells you what an SDS is: https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=what+is+an+SDS Also, here is a link to the original project and the creator of the original project. Original Project: https://scratch.mit.edu/projects/125624131/ Creator: https://scratch.mit.edu/users/Cstack06/