Finish the following sentence with the best choice: how to make a sandcastle wall

Choices:
- You'll need lots of sand and plenty of water, mix well. Using buckets, bowls, cups and anything else you may have fill them with sand and ensure it is like soup mix. Then turn over and empty, continue doing this to build your castle wall
- You'll need lots of sand and plenty of water, mix well. Using buckets, bowls, cups and anything else you may have fill them with sand and pack them down. Then turn over and empty, continue doing this to build your castle wall

Answer:
You'll need lots of sand and plenty of water, mix well. Using buckets, bowls, cups and anything else you may have fill them with sand and pack them down. Then turn over and empty, continue doing this to build your castle wall