Amazon.com: YIQUDUO Plus Size Large Brain Squishy Squeeze Ball Giant Jumbo Big Brain Ball Stress Relief Toy, Fun Toy for Party Favors : Toys & Games
Alien Brain Squishy
Amazon.com: 2 Pieces Brain Stress Ball Eye Squeeze Fidget Toy Stress and Anxiety Relief Ball Anti Anxiety Focusing Fidget Toys Unique Fun Gift for Teens and Adults : Toys & Games
Giant Brain Ball: A giant stress toy shaped like a circular cranium!