Legally, anything you own while under 18 is under their control, which means they can legally take it away. If they bought it, they can permanently take it away because it never did belong to you.
Did Steve Jobs leave his daughter any money?
Lisa Brennan-Jobs, now a 42 year old author and a Harvard graduate, had a different experience growing up with her father than her half-siblings. After his death, Steve Jobs did make sure to leave Lisa with a multi-million dollar inheritance.