Guide to build YOLO, a creativity-stimulating robot for children

•Creativity stimulating robot: YOLO can stimulate children's creativity during play.•Grab-and-go play: YOLO can be used across non-restrictive playing spaces.•Child-proof design: Safe and robust robot design meant for children.•Scalability and customization: Open-access materials to personalize YOLO.•Application Scenarios: YOLO can be used by the community and by scientific fields.