<p>For Students Engineering Design in Oregon Science Classrooms Page 1 of 4 Car Building Instructions for The Ultimate Speed Challenge</p><p>CONSTRUCTION 1. Collect materials: Ruler; Wheels and Axles (LEGO); Bearings (straw); Chassis (craft stick); Scissors; Marker; and Fastener.</p><p>2. Measure and cut:</p><p> a. Bearings</p><p> b. Chassis</p><p>3. Use masking tape to fasten straw bearing to the mark on your chassis.</p><p>4. Insert one LEGO axle into a bearing. Repeat for both sides.</p><p>5. Attach one wheel to each side of each axle. Repeat for both sides.</p><p>6. When you are done, turn your car over. </p><p>7. Don’t forget to decorate. Use your imagination!</p><p>8. Example alternative builds: larger chassis; smaller wheels; extra wheels; added weight.</p><p>9. For Students Engineering Design in Oregon Science Classrooms Page 2 of 4 CONSTRUCTION WITH PHOTOS 3. Use masking tape to fasten straw bearing to the mark on your chassis. 1. Collect materials [photo on first page] </p><p>2. Measure and cut:</p><p> a. Mark the straw at 3cm and cut your first bearing. Repeat for as many bearings as you need.</p><p> a. See below for an example of a properly fastened bearing.</p><p> b. Mark your chassis 2cm in from the end. Repeat for both sides, but do not cut.</p><p> b. Repeat for all bearings. For Students Engineering Design in Oregon Science Classrooms Page 3 of 4 4. Insert one LEGO axle into a bearing. a. Larger chassis Repeat for both ends.</p><p> b. Smaller wheels 5. Attach one wheel to each side of each axle. Repeat for both sides.</p><p> c. Extra set of wheels</p><p>6. When you are done, turn your car over. It should look like this:</p><p>7. Don’t forget to decorate. Use your imagination!</p><p>8. Example alternative builds seen below: For Students Engineering Design in Oregon Science Classrooms Page 4 of 4 d. Added weight; see below for d.i. Stack weights in the center of the car. instructions:</p><p> d.ii. Fasten using masking tape.</p>