1. The Smileyface Stamp-o-matic™ ConnorWillAnthonyQuinten

2. Overview of Contraption The object of our device is to stamp an ordinary sheet of paper with a smileyface. ( ) The object of our device is to stamp an ordinary sheet of paper with a smileyface. ( ) All parts were found around the house except for the stamp and the pulleys. All parts were found around the house except for the stamp and the pulleys.Prices PVC pipe - $3.00 PVC pipe - $3.00 Pulleys - $4.00 Pulleys - $4.00 Stamp - $.50 Stamp - $.50 Mousetrap - $.50 Mousetrap - $.50 Weight – $3.00 Weight – $3.00 Marble - $.75 Marble - $.75 Pulley Support - $3.00 Pulley Support - $3.00 Wood - $5.00 Wood - $5.00

3. Marble inserted here Stamp here

4. Device Requirements Conservation of Energy: Conservation of Energy: Ball - Gravitation Potential Energy to Kinetic Energy Ball - Gravitation Potential Energy to Kinetic Energy Mousetrap – Elastic Potential Energy to Kinetic Energy Mousetrap – Elastic Potential Energy to Kinetic Energy Projectile Motion: Projectile Motion: Ball becomes a projectile as it leaves the PVC pipe Ball becomes a projectile as it leaves the PVC pipe Collision: Collision: Weight hits the lever that stamps the paper Weight hits the lever that stamps the paper

5. Conclusion Device works 99.9% of the time. Device works 99.9% of the time. Other conflicts include team member’s time conflicts, limited space for building, and device not functioning properly every time. Other conflicts include team member’s time conflicts, limited space for building, and device not functioning properly every time. Project was finished, despite the random placement of set mousetraps around our work station. Project was finished, despite the random placement of set mousetraps around our work station.