MindWare Crystal Growing Kits: Puffer Fish Set of 2 – Cute DIY Crystal Growing Kits for Kids & Teens – Funky Mini Science Experiment in an 8pc kit – Crystals Grow

Discovery™ Crystal Growing Kit

Science Kits – ToysCentral - Europe

MindWare Dig It Up Discoveries: Cats – Party-Sized 12-Pack of Educational Discovery Digs for Kids with Tools & Fun Facts – Learn All About Cats! : Toys & Games

NATIONAL GEOGRAPHIC Mega Crystal Growing Kit for Kids- Grow 8 Vibrant Crystals Fast (3-4 Days), with Light-Up Display Stand and Real Gemstones, Crystal Making Science Kit ( Exclusive), Science - Canada

Science Kits – ToysCentral - Europe

Crystal Pufferfish, Crystal Growing Kit

MindWare Crystal Growing Kits: Dinosaurs Set of 3 – Cool DIY Crystal Growing Kits for Kids & Teens – Funky Mini Science Experiment in a 10pc kit – Crystals Grow in

Discovery™ Crystal Growing Kit

MindWare Crystal Growing Kits: Puffer Fish Set of 2 – Cute DIY Crystal Growing Kits for Kids & Teens – Funky Mini Science Experiment in an 8pc kit – Crystals Grow

XXTOYS Crystal Growing Kit - 2 Vibrant Colored Hedgehog to Grow - Science Kits for Kids Age 6-8, Great Gifts Toys for Boys & Girls 8-12, STEM Projects for Kids : Toys & Games