Materials 2 disks of corrugated cardboard, 1 large and 1 small, with centers marked white glue Piece of dowel, 1/4 inch in diameter and 36 centimeters long 5-centimeter length of string Stapler with staples 1-by-1 centimeter piece of cardboard Sharp pencil Safety goggles Procedure 1.
(1 large and 1 small, with centers; marked; white glue Piece of dowel)
1 large and 1 small, with centers
marked
white glue Piece of dowel