Is it already ok for a 5-m.o baby to dip in a kiddie pool (with parents assistance of course)?

You can definitely introduce your kiddo to the pool. Follow some steps to ensure that the experience is as fun as possible. - Before the pool, have the kid play in bath tub, inflatable pool so that the kid gets accustomed to the water - Make sure the pool water is not very cold, if kid starts to shiver take him out - Do not rely completely on inflatable toys, have a personal floatation device - Always be within arm's reach Hope you have an awesome time!! It is definitely a fun experience!!!