This 30 Minute Hourglass Sand Timer makes an elegant accent for a vintage style home office or kitchen. Inspired by nautical ship hourglasses, the aged metal frame adds a unique touch to this large timepiece. Time is approximately 30 minutes, but may vary.
try using clear soda bottles. Cut the bottoms off two different bottles, remove the lids and secure in the middle with a large wooden bead that has a hole drilled through it. Secure it all with your favorite adhesive (I'd turn to E6000) and continue with the rest of the stool assembly.