Why is slime sticky: Slime can feel sticky for a few reasons. The slime has been exposed to excessive heat and sunlight. Especially during the summer time.

Sticky slime due to hot weather

. Quickly touch the surface of the slime for stickiness, if your slime feels sticky then spray activator onto hands and slowly knead the slime until you have your desired consistency

Why is slime stiff: Slime can feel stiff for a few reasons. The slime could be over activated, left out to dry or the slime was exposed to excessive cold.

Stiff slime due to cold weather

. Let slime sit until it is at room temperature, then add a few drops of lotion to hand and knead slime until it softens

Stiff slime due to over activation

. Let slime sit for a few days to let it naturally deactivate

Stiff slime due to being left out

. dried out slime can rarely be fixed or saved. Always make sure that slime is properly stored in an air tight container