A recurring issue is the insufficient quantity of activator provided, often resulting in slimes that are too sticky, fail to form correctly, or require additional activator purchases. Some users also report difficulties with slime consistency after creation, unpleasant smells from certain components, and challenges in fully dispensing contents from the bottles.

The kit provides a good variety of glues, colors, and mix-ins, making the slime-making process engaging and fun for children. Many users find it easy to use, supporting creativity, and producing slimes that are generally of good initial quality and easy to clean up.

A common issue reported is the slime becoming excessively sticky or runny with use, which can lead to difficult cleanup and adherence to hands or clothing; some reviews also mention an unpleasant chemical smell or inconsistent product quality between purchases.

Many users appreciate the convenience of this large, premade slime, often finding it fun and engaging for kids, especially with the included add-ins that encourage creative play.