1. Sketch Model Review Stair Caddy 2.009 Blue B Carries items up to 50 lbs up and downstairs

2. Stair Caddy Design For the 36+ million senior citizens

3. Existing Products AATA International SR 450 AATA International SR 1750

4. Comparison

5. Testing for Consumer Needs • Safety - Slip • Not ruining floor material • Items not falling out • Items not squished • Storage

6. Other Issues Learned • Need more testing with treads • Turning Radius • Force applied to handle • Safety • Storage Size • Driving Downstairs

7. Appendices

8. Additional Calculations

9. Size Narrow Staircase 3 Contact Points Staircase 30” 30”

10. Stair Data • Building Codes (Public Areas) • Tread length: 9” • Riser: 8.25” • Measurements (Residential) • Tread length: 7” • Riser: 8”