A force is a push or pull. Friction is the rubbing of two things together. Friction is a force that can slow motion. 1. Follow the directions on the Lego We Do app to build the Pulling Robot. Take a picture. 2. Put gram pieces into your basket. 3. Test your robot. Take a video. 4. Record the number of grams that your Pulling Robot can pull. 5. Improve your Pulling Robot. Take a picture. 6. Test your robot again. Take a video. 7. Use Shadow Puppet to create a video about your Pull Bot. Use pulling, force, and fiction to explain this activity. Be sure to remove the background noise of your video clips when you bring them into Shadow Puppet.