Do you mean somewhere you leave the child or somewhere where you stay with them. The mother and toddler group at the USRC is good, run by mums, nice outside area. meets tues and fri mornings 9.30 - 11.30. $25 for members, $40 non members.I know its not in the Sha Tin area but we have mums (and a couple of dads) that come from all over including Pokfulam, DB northpoint etc.