smithsonian crystal growing kits

Think Box Inventor's Box: Science Kit for Kids, Toys for 8 Years Old, Includes Storage Case & Wires

Creativity for Kids Grow N' Glow Terrarium: Science Kit for Kids, Educational Toy, Includes Jar, Figures, Stickers, Rocks

National Geographic Circuit building kit

National Geographic 12 Days of Science: Geology & Science Kit for Grades 2-11 with Activity Guide

National Geographic 12 Days of Magic: Science Kits with Activity Guide for Creative Thinking

Joyfy Science Kits for Kids, 85+ STEM Educational Experiments Toys Featuring Erupting Volcano & Crystal Tree, Birthday Gifts for Boys Girls Age 6-12

National Geographic Super Slime & Putty