This colorful sludge will expose your child to the wonders of science because it comes inside a radioactive waste container! Great pastime toy for a great value. Imagine as your child plays with this addictive Goo while they learn! Slime is a moist, soft, and slippery substance, typically regarded as repulsive. Everyone, regardless the age and gender really loves playing with slime. To add a unique touch, these slimes come in a cute and black barrel. This barrel serves as the storage of the black slime. Storage inside to keep fresh as new! It is made up of materials that are high quality. Proven and tested for its durability. You don't have to worry because it is safe for kids and it is Non-Toxic. This toy can be used as party bag stuffer and as a party favor. It is also an ideal gift for kids, recommended for kids ages 5 and up. What are you waiting for? Place your order now! Great art projects, party favors, loot bag stuffers, treasures in a mystery box, or gaming materials for your friends and family on birthdays, baby showers, Slumber parties, Easter Sunday, Halloween, Christmas season, Year-end celebration or any occasion. It will also work as kids' awesome compensation for their improving behavior and academic achievement.