Jar Melo 24pk dough setSAFE MATERIALS: The materials is non toxic, no borax, anti bacterial; It is moldable, no mess, reusable. Certified for the Consumer Product Safety Improvement Act. Kids can use the moulds over and over to create and reshape new things GREAT GIFT TOY: a fab toy for preschool age children. Good gift for children, great for sensory needs, bright color and interestingly varied will attract children's attention for hours of fun BEST FOR AGES 3+: A