These toys are great for busy fingers annd  it may improve fine motor and problem solving 
skills.  
They   provide tactile stimulation by the children moving ,twisting and pull these giraffes  into different shapes.The repetitive motion  can boost concentration and is a good stress reliever when children feel overwhelmed or anxious.
 
They also provide auditory feedback through sound with the twisting and pulling making them the perfect sensory toy. 
They can stick together, stick to a window and be made into amazing shapes and forms and are so much fun
 
Sold seperately.