Age range 6 to 14 Whip up 20 borax-free slimes with different textures, cool colours, and special effects from slime enthusiast Selina Zhang (@anathemaslime)! Tweens everywhere are getting slimy! Using the step-by-step instructions in these 20 borax-free projects, they can easily whip up slimes with different textures, colors, and effects, from fluffy slime to unicorn slime and glow-in-the-dark slime. This irresistible full-color guide also outlines the essential equipment and ingredients, the science of slime, tips for safely making and playing with slime, and troubleshooting advice.