Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The image on the far left depicts the apparatus with the video image displayed. The center image depicts the apparatus with both the magnet board and video screen. The image on the far right depicts the magnet board with the boat puzzle pieces affixed to magnet board.
