But that's not all! With every jar of Bohdi Bear Sensory Putty, you'll also receive a collectible Bohdi charm, making it a must-have addition to your sensory play collection. Get ready to squeeze, stretch, and mold your way to a sensory fun adventure!.Care Information: Sensory slimes are air reactive and if left out will dry out and become hard. Always return slime to an air tight container to avoid this. If slime starts to stiffen, add a little hand or body lotion and knead in thoroughly to loosen and return to desired texture.