pages

▼

Tuesday, 18 September 2018

Do you want to know what actually happens when we touch things around us? Watch this slide presentation to find out:

at

1 comment:

  1. marc17 October 2018 at 17:54

    hello yvonne im marco you can put a video with less explications and more pictures

    ReplyDelete

Note: only a member of this blog may post a comment.