Materials List: Saving a Life:
Heart Valve Replacement

Each group needs:

  • 1 sheet of paper and a pencil or pen
  • 1 pair of scissors
  • 1 model heart, a cardboard box with a divider in the middle (see Figure 1)
  • 30 marbles (representing blood cells)
  • Valve Replacement Project Worksheet, one per group

To create a model heart box, one per group (made in advance by the teacher; see Figure 1):

  • 1 box, size can vary, for example, use old banker's storage boxes or copy paper boxes, approximately 10 high x 12 wide x 15-inches deep (25 x 30 x 38 cm), no lid needed
  • divider wall made from cardboard (cut from lid or flaps) and packing tape
  • scissors or box cutter, to cut cardboard and tape
  • (optional) marker, to identify heart chamber names
  • (optional) red spray paint

To share with the entire class:

  • tissue paper, 1 pack
  • construction paper, 1 pack
  • cardboard, scrap pieces, about 1 per group
  • brown paper bags, available at grocery stores
  • Popsicle sticks, available at hardware and hobby stores
  • index cards, 1 pack
  • wooden toothpicks, one box
  • string, 1 roll (~280 ft or ~85 m)
  • aluminum foil, 1 box
  • duct tape, 3 rolls
  • scotch tape, 5-10 rolls