Replace Sophie gonge carousel spinning seat

Hi my daughter sophie is 7 years old she diagnosed with autism at 3 years old she has severe communication delays gdd pda and on adhd pathway Sophie is very high support needs Sophie spins on her gonge carousel to get required amount od sensory feedback the seat is to help her stimming and is pretty expensive sadly it's broke 4 days ago it already having big effect on her behaviour not getting sensory feed back is cuasing a big effect on Sophie she require I'm looking help help me replace Sophie broken seat