Uncover your inner calm and make your own stress balls with this soothing, sensory science lab kit. Kids will love creating 4 squishy slime stress balls, 2 oobleck stress balls and a mesmerizing mini relaxation jar. Exciting mix-ins like glitter, pom-poms and beads add sparkle and sensory stimulation. As kids learn about the chemical properties of oobleck, the non-Newtonian fluid that bes a solid, they'll also discover the chemistry clues behind ooze. It's a set of cool science projects for kids that will leave them feeling smart and centered! Gender: unisex.