Each group needs:

• 1 mock bioprinter, constructed in advance by the teacher OR during the class by students, using components available at craft stores, such as Michaels; required components:
• wooden platform, 12 x 12 inches (30 x 30 cm)
• 4 wooden spools, each 2.75-inches tall (7 cm)
• 8 wooden rods/dowels, 12-inches long x 3/8-inch diameter (30 x 1 cm)
• 4 pieces of duct tape, each 1 x 2 inches (2.54 x 5 cm)
• 2 balsa wood or basswood arms, each 10 x 3 inches (25 x 7.6 cm)
• 3+ cardboard cutouts to use as “stages” and to raise/lower the printing platform
• 12 zip ties
• wood glue
• 1 background information sheet on skin, bone OR muscle, from Injury Area Information Sheets
• 3D Bioprinting Parameters Worksheet
• Post-Activity Quiz, one per student

To share with the entire class:

• ~5 colors of icing, in many icing bags with tips, which represent different types of cells and extracellular matrix
• ability to show the class a few short videos; see URLs in the Additional Multimedia Support section
• other supplies and tools that students request for their designs or process, such as additional pieces of cardboard, tape, rulers, etc.