Bottle Cap Coaster

Here's a fun classroom project that reinforces the importance of recycling. Encourage kids to save bottle caps and small lids in other neat shapes and sizes too.

Completion time – 30 minutes

Designer – Kathleen George


  • Block, 12" x 12" x 1/2", for one to four coasters
  • Sheet, 36" x 12" x 1/2", if making large number of
Other Materials
  • Green acrylic paint
  • Green felt, 9" x 12" sheet
  • Plastic milk jug caps in assorted colors, seven


  • Serrated knife (for adult use only); or, plastic k
  • Candle stub or paraffin
  • Pencil
  • Ruler
  • Compass
  • Flat paintbrush
  • Disposable palette
  • Water basin
  • Paper towels
  • Thick, white craft glue


(NOTE: Children can safely cut the " foam sheet with a plastic knife;
a serrated knife should be used by adults only.)

  • 1.Use compass to draw 4-1/2" circle onto foam block orsheet. Repeat as many times as needed. Adults: Wax serratedknife with candle stub or paraffin and cut out circle(s). Ifchildren are cutting out the foam, have them use a plastic
    knife. Sand rough edges with a scrap piece of foam, and then
    smooth the edges with gentle pressure from fingertips or by
    rolling against a flat surface.

  • 2. Paint all surfaces of foam circle green; let dry.

  • 3. Arrange six bottle caps around foam circle, withcontrasting cap in center. Be sure caps do not hang over foam edge.

  • 4. Carefully remove center cap, apply glue to back edge, thenreplace on foam. Press down on cap, gently yet firmly, untiledge embeds in foam surface. Repeat for remaining caps. Be sure all caps are level.

  • 5. Cut two leaf shapes from felt; glue to bottom of coaster. Let dry completely.