Spain creates Holograms and plays with them
Finnish 5th and 6th graders made hologram projectors
Greek 4th graders had fun with Holograms
Polish students were making hologram projectors:
https://www.canva.com/design/DAFECu37LfA/nO7Kwq3MCpZ6rsrc6GxL3w/view?utm_content=DAFECu37LfA&utm_campaign=share_your_design&utm_medium=link&utm_source=shareyourdesignpanel