Toy purchased as x mas gift was missing parts was...

Toy purchased as x mas gift was missing parts was told back in Jan parts were being shipped recived complete diff toy that grandson could not play with offered to ship it back was told again in march parts would be sent nothing recieved 3 phone calls being toldeach time someome would contact me now 5-7-2020 they tell me parts not avaliable and nothing can be done since they sent worthless wall hanging as replacement toy !!!!