Stemwurks

Product Description Make your own color-changing slime that changes from green to blue depending on the temperature. Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science...

Product Description Whip up a batch of slime that stores light energy and then glows in the dark! Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science experiment to create a safe...

Product Description Make a slime that changes color from white to pink-orange in strong ultraviolet light, like direct sunlight. Ooze labs are fun and simple science experiments in big chunky plastic test tubes! each ooze lab tube contains a simple...

Product Description Mix up a pale blue slime and add holographic glitter flecks to it for a fun, sparkly effect. Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science experiment to...

Have as much fun as a pig in the mud! Each of these adorable little plaster barns holds one plastic farm animal figurine. Use a small tool and some elbow grease to find the animal hiding in the barn. The barns are blind-packed, so it's always a surprise...