Search Results
Showing results 1 to 3 of 3
Stereoscope
Source Institutions
In this activity, learners construct a device that allows them to view 2-D images in 3-D.
Kaleidoscope
Source Institutions
In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).
Periscope
Source Institutions
In this activity, learners construct a device that allows them to look over ledges or around corners.