Some of my students want to create a video for their explore task. Can they make the video with tools and resources not available in the classroom? Is it sufficient to include the tools and explain their process in 2b even though they did not create the artifact in class?
As long as you have met the minimum requirements for in class time, students are able to work on the PTs outside of class time including creation of artifacts. Just remind them of the guidelines regarding independent work.
Hope that helps,