Personalized Scientist Kids Chemistry Beakers Infant Romper. Test Tube Science Experiment Infant Romper - White gift for boys and girls. Bubbling secret formulas for the future researcher, scientist, lab technician or science teacher. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)