4 kids doing science experiment,learning about density and physical properties of liquids

---

Palabras clave

concept, robot, colours, research, classroom, project, classmate, playful, class, play, chemistry, physics, modern, candid, mixed, blend, mix, liquid, learn, laboratory, cognition, kit, children, intelligent, indoor, hobby, hispanic, youth, group, young, future, workshop, friends, viscosity, explore, toy, exploration, together, experiment, technology, ethnicity, teamwork, ethnic, team, electronic, student, education, science, educate, school, density, robotic, curious, robotic, mixed race, multiracial, girl, female, person, people, children, children, children, preteen, preteen, preteen, teenage, youth, youngster, youngster, minor, toddler, toddler, offspring, tyke, tot, children, boy, male

---