I want a trainer butterfly knife, but my parents really don't

My mom doesn't allow me to buy a butterfly knife / balisong that costs more than 51 €, so I wanted to ask if these balisongs from these Italian sites can be

Would you let your child have a balisong trainer? : r/AskParents

Flip Butterfly Knife Flipper Toys, Antistress Toy, Anti Flip Toy, Flips Fun

31 Types of Pocket Knives + Popular Uses - Happy DIY Home

Balisong Knife: An Innovative Tool for Learning Skills!, by Jairus Nadab

My first live blade, it was a gift from my parents : r/balisong

GoodTherapy Silent Treatment: Preferred Weapon of Peopl

GOOD WORKER Butterfly Knife Trainer - Practice Balisong Butterfly Knives NOT Real NOT Sharp Blade - Black Dull Trick Butterfly - Butter Fly Training K14B : Sports & Outdoors

Squiddy-B Butterfly Black Plastic Butterfly Trainer

10 Ways to Convince Your Parents - wikiHow

What are The Basic Butterfly Knife Tricks?