September 30, 2021 NATIONAL GEOGRAPHIC AMAZING WORMS CHEMISTRY KIT Kids can create colorful, gooey worms with five chemistry experiments featuring green alginate, color-changing sodium alginate, calcium chloride, and zinc sulfide. Product Facts MSRP: $9.99 Age: 8+ Manufacturer: BLUE MARBLE Share twitter Link to Twitter linkedin Link to Linkedin instagram Link to Instagram facebook Link to Facebook Buy Now The Toy Insider participates in affiliate programs that may generate revenue for the site when a purchase is made through the links below. MACYS arrow-rounded MICHAELS arrow-rounded