Smart Lab Spa Lab Bath Bombs

20 Brilliant & Bubbling Recipes! Go beyond the bomb! Tweens will love this DIY science kit that lets them create fizzing bath bombs with foaming colours and special effects! Featuring bath bomb molds, fizz powder, bubble powder, colour, scent, glycerin, and a full-colour recipe book, this unique SmartLab Toys bath bomb kit goes beyond the basics and promises a special surprise in every bomb! The custom molds allow kids to embed small “bitty” bombs within large bath bombs for spectacular effects–just like the commercial bombs!