salt powered robot

4M: Green Science Aqua Robot - DIY Swimming Fish Toy, Solar & Battery Power

Saltwater Fuel Cell Robot

4M: Green Science Rover Robot - DIY Robotics Kit, Solar & Battery Power, STEM

AquaPod Water Bottle Rocket Launcher Science Kit - STEM Toy Launches Soda Bottles Up to 100 ft in Air

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

4M: KidzLabs - Earth Moon Model Making Kit - DIY Paint & Build A 3D Planet Model

HexBUG VEX Robotics Red Fork Lift and Fuel Truck STEM Over 150 Pieces

Brown Toy Box Justin Robotics STEAM Kit: Educational Circuits & Robots for 1st & 2nd Grade

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

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

Klever Kits 36-in-1 STEM Robot Building Kit - Motor Robot Science KIt Educational Toys Creative Birthday Gift for Boys & Girls Age 8+

Best Choice Products 4-in-1 Science Project Kit, STEM & STEAM DIY Lab Experiments for Kids

Kids Portable Microscope 50X-300X with LED & UV Light, Handheld Pocket Microscope for STEM Learning, Outdoor Science Toy for Ages 6+

Klever Kits 50+ Space Circuit Projects - STEM Electronics Kit with 46+ Components for Kids Ages 5-8+, Educational Science Toy for Young Explorers

Dan&Darci Squish & Learn Human Anatomy - Human Body Model - Science Kit for Kids - STEM toys - Birthday Gifts for Boys & Girls - Educational Toys

12FT Adjustable Height Volleyball Net Set, Portable Training Equipment with Carry Bag & Sturdy Fiberglass Poles, Easy Setup

Geoworld 10 Insect Set - 10 Real Insects Resin with Magnifying Glass & Booklet - Great for Science Projects - Kids Scientific Educational Toy

Playbees Talking Flash Cards for Toddlers Ages 1-4 | Language Learning Tool with 224 Words Speech Therapy

NASA Air Rocket Launcher Kit - Launch Model Rockets Up To 250 Feet with Compressed Air, A Safe, Innovative & Fun Outdoor Kids Toy

FUN LITTLE TOYS Children's handheld microscope Optical HD portable microscope, microscope biological education science experiment toy gift.(black)

Contixo Snap Circuits STEM Kit for Kids, 409+ Projects, LED Fan, Sprayer, Flying Saucer, Radio, 38 Parts Electronics Science Kits For Ages 6-12

Dan&Darci Dig a Dozen Dino Eggs Kit – 12 Unique Dinosaur Models with Excavation Tools, and Learning Cards – STEM Authenticated, Gifts for Boys

Kids Handheld Microscope 50X-300X with LED Light, Portable Mini Pocket Microscope for Science Exploration & Outdoor Learning, Ages 6+

LotFancy Science Kit for Kids 6+, 105 Science Lab Experiments, STEM Project Educational Toy

Playbees Plasma Ball 7" Red

Dan&Darci Advanced Professional Rock Tumbler Kit – with Digital 9-Day Polishing Timer STEM Gift for Kids All Ages, Geology Toy

Dan&Darci Galaxy Gems Planet Dig Kit – 9 Planets with Dazzling Gems, Jewelry-Making Hardware, and Learning Cards for Kids, Educational Gift for Kids

Dan&Darci Dig a Dozen Gem Blocks Kit - 12 Real Gemstone Excavation Blocks with Tools and Learning Cards, Educational Gift for Kids

Dan&Darci Glow in the Dark Dino Eggs - 12 Eggs with Mini Dinosaur Models and Learning Cards -Stocking Stuffer for Kids, Birthday Gifts, Craft Kit

Dan&Darci Crystal Science Experiment Kit, Educational Gift for Boys & Girls, Cool Craft Kits for Kids

Flipo Kinetic Energy Koil Arm Spinning Science Educational Toy For Kids & Adults - 4 Pack

Playbees Plasma Ball 7" Purple