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Technologies Needed
| Tiny Motors | Stronger Smaller Batteries | The Bristles |
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| Tiny motors need to be invented that move the tiny bristles. They need to either vibrate or move very quickly. They would have to last a long time and not get hot while they worked. | Batteries need to be invented that are stronger and small enough to fit inside of the "Sonic Brush Guard." They will have to be rechargeable and last a long time. | The bristles will need to be strong enough to at least last a year. If the bristles wear out or get damaged they need to be replaced easily with new ones. |
