un Fillers take the fuss out of curating the perfect sensory play activity! Each pack includes themed sensory accessories that take playtime to the next level! These pair perfectly with our new Sensory Play Jar - or you can use them to enhance your favorite sensory bin. Perfect for water, rice, slime, play-dough and more, Pals! Top Tip: A little goes a long way, Pal! Just sprinkle a little bit of each item and save the rest for another day of play.