Bone Transplants—No Donors Necessary!

Each group needs:

• 1 calipers, such as steel Vernier calipers from Flinn Scientific at https://www.flinnsci.com/vernier-calipers-steel/ab1006/
• 1 turkey leg, from grocery stores; remove meat and boil
• a computer loaded with CAD software, such as free Google Sketchup from https://www.sketchup.com/ or AutoCad at https://knowledge.autodesk.com/support/autocad
• a variety of bone-building materials such as clay, pipe cleaners, straws, cardboard, coffee stirrers and tape
• 500-ml graduated cylinder
• water, sink and drain
• 1-2 sheets of graph paper
• Bone Transplant Pre/Post-Quiz (PDF), two per student
• Bone Transplant Worksheet (PDF), one per student
• 3D Bone Prototype Rubric (PDF), one per group
• printout of online article (one per student) that describes a 3D-printed eagle humerus at http://3dprintingindustry.com/news/saving-eagle-rapid-prototyping-82967/; alternatively, arrange for students to read online

To share with the entire class:                        

• capability to show the class a 17-minute online video
• white air dry modeling clay, about 4 oz (113 g) per group (depending on femur size), such as 2.5 lbs (enough for 10 groups) from Hobby Lobby at https://www.hobbylobby.com/Crafts-Hobbies/Kids-Crafts-Activities/Crafts/White-Crayola-Air-Dry-Clay/p/22438
• pipe cleaners, about 10 per group; such as a package of 140 foot-long brown chenille stems (enough for class) from Hobby Lobby at https://www.hobbylobby.com/Crafts-Hobbies/Basic-Crafts/Chenille-Stems/Light-Brown-Chenille-Stems-Value-Pack/p/140308
• plastic drinking straws, about 10 per group; such as bag of 100 (enough for class) at Hobby Lobby at https://www.hobbylobby.com/Party-Baking/Party-Supplies/Tableware/Assorted-Straws/p/110892
• scotch transparent tape, such as half-inch width (1 roll enough for class)
• additional building supplies, such as coffee stirrers and cardboard, or other reasonable material requests from groups
• electronic balance, such as this 300-g capacity scale from Flinn Scientific at https://www.flinnsci.com/flinn-scientific-electronic-balance-300-x-0.1-g/ob2138/
• hack saw, such as a 10-inch standard hack saw from Home Depot at https://www.homedepot.com/p/Stanley-10-in-Adjustable-Hack-Saw-STHT14039/311327254
• eye protection, for when using the hacksaw
• 3D printer
• extra paper, as needed, for prototype redesigns