MIL threw my baby’s boys Teddy’s out I got from my nanna?

Katrina

So I got these two well three Teddy’s from my nanna and today I realised when my MIL bring my bassinet over to my new place the Teddy’s were missing I kinda am upset about it I’ve confronted her but she just denies throwing them out then proceeded to turn my step sisters against me, don’t know what to do but I’m hurt by her actions!