Guess the invention

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Across
  1. 2. teeth are cleaned with this
  2. 4. you can use it for fun or exercise in a park
  3. 7. you get to places way faster than by car with this
  4. 8. we use it to correct mistakes in writing
Down
  1. 1. we use it when it's sunny or rainy
  2. 3. it has many apps and you can communicate with this
  3. 4. books fit here and are easier to carry
  4. 5. we go to places faster than walking with this
  5. 6. food is stored here and it is kept cool or frozen