NeeDoh Lava Slime - Hands on Sensory Instant Slime Kit - 6yrs+NeeDoh Lava Slime by Schylling Toys. Ooey gooey excitement awaits with LAVA Instant Slime! Young scientists can use this super cool slime kit to whip up some seriously slimy fun in seconds. Just add water, give it a good stir, and there you have it! A groovy lava like glob that's perfect for sensory play. These spectacularly satisfying slime kits are guaranteed to ignite your kiddies imagination and erupt their creativity as they stretch, squish, and