Shadow Plot:

• 1 piece of large white paper
• pencil width wooden dowel (or similar) 30.48 cm(12") to 38.1 cm (15") long
• ball of clay
• two 12" piece of duct tape, cut into eight 3" strips
• permanent marker
• timer

Horizontal Sundial:

• small wooden disk
• 3/4"-1" nail
• pencil
• pen
• pair of scissors
• index card
• hammer
• protractor
• sheet of paper
• (optional) string
• wood glue

Diptych Sundial:

• template for diptych assembly (see attached Construction Worksheet)
• 1 piece of heavy paper
• glue
• string, preferably elastic