Steps for innovation project

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Across
  1. 4. A "lightbulb" thought that pops into your head!
  2. 5. A big word for "thinking up" many fun plans,
  3. 6. The very first step when we start something new,
Down
  1. 1. The answer that fixes a problem,
  2. 2. A brand new, better way of doing something
  3. 3. A place where people go to share or sell things,