Fidget Cube and Fidget Spinner for Autistic Son

We got our autistic son a fidget cube and fidget spinner. Whats the best fidget toy for autism?\r
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LETS CONNECT!\r
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Amazon wishlist: \r
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Music by Joakim Karud My PO Box: Lollujo Limited, PO Box 1388, Peterborough, PE1 9US, UK