Möbii Small Mobius Hand Fidget Toy The Möbii Small Mobius Hand Fidget Toy ($10) is so small. The aluminium rings, which your child can spin and rotate around endlessly, shape to look like a tiny knot. The toy promotes dexterity and alleviates anxiety. Image Source: Etsy Möbii Small Mobius Hand Fidget Toy $10 from amazon.com Buy Now