Retro Wall Clock
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Retro Wall Clock

Add some pizzazz to your décor with this really cool retro clock, made with painted Styrofoam™.
Designed by Kathleen George for The Dow Chemical Company
Craft Time: 60+ minutes
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Material List

  • Styrofoam™ Brand Foam:
    2½-inch Balls (2)
    1½-inch Balls (4)
    1¼-inch x 6-inch Disc
  • Wooden Skewers: 10-inches long (12)
  • Acrylic Paint: Metallic Blue Pearl
  • Lightweight Stucco or Spackling Compound
  • Clock Mechanism with Hands
  • Serrated Knife
  • Candle Stub or Paraffin
  • Sharp Pencil
  • Paintbrushes: Stiff Round; Medium Flat
  • Disposable Palette or Small Bowl
  • Putty Knife
  • Water Basin
  • Paper Towels
  • Craft Snips
  • Fine-Grit Sandpaper
  • Thick White Craft Glue
  • Optional: Heavy Duty Jar (or other container to hold skewers while painted Styrofoam is drying)

Project Instructions

Step: 1

Wax serrated knife with candle stub or paraffin. Cut all foam balls in half. Place sandpaper face up on work surface and gently rub cut side of each half-ball across it. Gently roll rims of half-balls against work surface to smooth; brush away any loose foam particles.

Step: 2

Insert a skewer into each half-ball. Using skewer as a handle, apply a thin, even coat of stucco medium to each half-ball; use a stiff brush on curved edges and a putty knife on flat surfaces. Place skewers in heavy glass or jar to dry.

Step: 3

Apply stucco medium to front and sides of foam disc; let dry completely. Apply second coat of medium to disc if desired; let dry.

Step: 4

Remove skewers from half-balls. Use craft snips to cut four 3½-inch and eight 3-inch skewer lengths. Use flat brush to paint skewers and foam pieces with metallic blue pearl; let dry.

Step: 5

On back side of disc, mark off clock number positions; begin with 12, 3, 6 and 9, then add remaining number positions.

Step: 6

Glue and insert longer skewers straight into side of disc at quarter marks; push skewers about 1-inch deep. Glue and insert shorter skewers into disc to mark remaining number positions.

Step: 7

With flat sides down on work surface, slide larger half-balls onto quarter-mark skewers to ½-inch depth. Remove balls, apply glue to ends of skewers and replace balls. Repeat with smaller balls on remaining skewers.

Step: 8

Use sharp pencil to make small hole in exact center of disc. Follow manufacturer's instructions to assemble clock, pushing shaft through hole. Add washers and nuts to shaft, and then add clock hands to front side.


Use photo as a guide and follow manufacturer’s instructions for all products used.

You can safely paint STYROFOAM™ brand foam with an acrylic craft paint. If you’re using a spray paint, carefully read the label first to be sure it’s safe for STYROFOAM brand foam. Or, like we did for this clock, seal the foam first with a sealer, stucco or spackling compound, and then spray paint.