Build a unicorn robot that makes its own art! A kit with the electronic parts for this project is available here: https://www.homesciencetools.com/product/bristlebot-robots-kit/?aff=SB1. Written instructions to build an Art Bot are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Robotics_p014/robotics/build-art-bot