Roksana Łęcka, 22, was employed at the Riverside Nursery, Twickenham Green, where she is accused of repeatedly pinching, punching and grabbing the youngsters.
Roksana Lecka, 22, is accused of 'badly harming' the infants, aged 18 months to two years, while she worked at a £1,900-a-month Montessori nursery in London.