smithsonian crystal growing kits

Best Choice Products 30-Piece STEM Kids Microscope Science Kit w/ 100x, 600x, 1200x Zoom, Slides, Carrying Case

Dig It Up! Bubbling Volcano Discovery

Learning Resources Cross-Section Animal Cell Model - STEM Biology Gifts, Ages 4+

Learning Resources Giant Inflatable Solar System, Project Kit, Space Toys

ArtCreativity 24 Piece Expanding Magic Growing Sea Life Capsules

NATIONAL GEOGRAPHIC Mega Crystal Growing Lab, Grow 8 Vibrant Colored Crystals, Includes 5 Real Gemstone Specimens, Light-Up Display Stand & Guidebook

The Deluxe Rocket Bottle Launcher Kit - Includes Bottle, Aqua Pod, & Air Pump - Launches Bottles 100Ft in The Air - Fun Educational STEM Toy

Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit

The Thames & Kosmos Microscope (with Smartphone Adapter)

Contixo CB1 Circuit Builder Set, 500 Experiments, 22 Parts STEM Electronics Kit, Snap Circuits Learning Toy for Kids Ages 6+ Educational Gift

NATIONAL GEOGRAPHIC Amazing Chemistry Set - Mega Chemistry Kit with Over 15 Science Experiments, Make Glowing Worms, a Crystal Tree, Fizzy Solutions, and More

Educational Insights Now You See It, Now You Don't Composting Kit

VEVOR Human Brain Model Anatomy, 2X Life-Size 4-Part Human Brain Anatomical Model with Labels & Display Base, Color-Coded Detachable Brain Model

50PCs Microscope Kit Set in Carrying Box for Kids Educational Science Lab with 120X - 1200X Microscope Slides Specimens -Play22usa

Smart Lab Toys - Outdoor Science Lab

Hape: Science Can: Crystal Dinosaur Growing Kit - Stegosaur - 8+

Thames & Kosmos Architectural Engineering

Jellystone DIY Calm Down Sensory Bottles Set of 2

NATIONAL GEOGRAPHIC Starter Metal Detector Kit for Kids with 7.4" Waterproof Coil & Trowel

Hape: Science Can: Crystal Dinosaur Growing Kit - Edaphosaurus - 8+

4M: STEAM Powered Kidz - Kitchen Science - DIY 30+ Exciting Home Experiments, 5+

Thames & Kosmos Physics Workshop

Learning Resources Super Magnet Lab Science Kits for Kids, Ages 5+

4M: KidzLabs Anti-Gravity Maglev - 7 Physics Projects, Magnetic Levitation STEM