circuit simulation

Supertek® Simple Circuit

Snap Circuits Arcade Science Kits

Snap Circuits Extreme 750 Science Kits

Snap Circuits Motion Science Kits: Educational STEM Toy for Grade 2, Includes Wires, LED, Switch, Base, Rubber Band

Snap Circuits 300-in-1 Science Kits: Educational Electrical Circuit Board Toy for 2nd Grade Engineering Skills

Snap Circuits It Board Game Science Kits: Educational STEM Toy for Creativity & Engineering, Grades 1-4

Hape: Science Can: Block Circuit Super Kit - Ages 3+

Snap Circuits Bric Structures: Educational Science & Engineering Toy for Grades 3-7

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

Joyfy Bug Catcher Kit for Kids Indoor Outdoor Insect Collecting, Light Up Critter Habitat Box with Bug Tong, Tweezer,Birthday Gift for Boys & Girls 3+

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

Joyfy 2 in 1 Microscope Set for Kids, Portable Microscope with 12 Specimen Slides, 60X-180X, Educational Science Kit STEM Toys for Kids Aged 5+

Joyfy 34 PCS Kids BBQ Grill Toy Set with Electronic Lights & Sounds, Pretend Play Kitchen Toy Birthday Gift for Boys Girls Toddlers Ages 3 4 5 6

Klever Kits 2-in-1 Handheld Microscope for Kids - 1000X HD Digital Microscope with LED Screen, Slides & 32GB Card, Educational STEM Toy for Ages 5-12

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

Dan&Darci Rock Tumbler Medium Grit Refill

JuzToys Remote Control Dinosaur Toy, Walking T-Rex with Light & Sound Effects, RC Dino Toy for Kids – Brown

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

Jurassic Dinosaur Fossil Dig Kit – STEM Excavation Set with 5 Dinosaur Skeletons, Tools & Educational Fun

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

3 In 1 Kitchen Sink Toy with Electric Faucet Water Table, Fishing Game Role Play Sink Set Indoor Outdoor for Kids Aged 3+ Years Old

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

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

Dan&Darci Glow In The Dark Galaxy Puzzle toy Gift for Kids 100 Piece Puzzle, Educational Birthday Gifts for Boys

JOYIN 16 Pack 3.25” Mini Football Foam Stress Balls Toy for Kids Sports Birthday Party Favor, Squeeze Squish Balls

Klever Kits 2 in 1 Root Viewer Kit for Kids - Grow Your Own Plant, Interactive Plant Growing Kit, Educational Garden Set for Boys Girls Age 6+

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

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

merka 90 Pack Science Flash Cards- Solar System, Human Body and Geography, Homeschool Supplies & Word Travel Games for Kids

ROBOTIME Nature Exploration Toys, Kids Explorer Kit with Butterfly Net and Bugs Book, Educational Camping Gear for Kids, Pink, 11.42"*6.69"*9.25"

Playbees Newton's Cradle 7 Beads Black

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

FAO Schwarz Toy Kids' Rock Tumbler with Clay and Gemstones - 22pcs: Science Creativity Kit for Grade 3

Educational Insights GeoSafari Jr. Kidnoculars Blue: Plastic Educational Toy, Teaching Aid for Nature Exploration

Thames & Kosmos Wow in the World Sea Creatures Aquarium: Educational Science Kit for 1st-2nd Grade with Magnifying Glass & Experiment Guide

Dig It Up! Mystery Gems Science Kit

National Geographic Glow in the Dark Marble Run - 50pc: Educational Focus on Creative Thinking & Engineering, Grades 2-11

Blue Marble Santa's Christmas Science Workshop Science Kit with 5 Holiday-Themed Science Experiments for Kids Plus 20 Bonus Activities

Snap Circuits Snap FM Science Kits

Snap Circuits Arcade Science Kits

Snap Circuits Light Science Kits: Educational Focus on STEM & Fine Motor Skills with Model Base & LED Components

Snap Circuits Bric Structures: Educational Science & Engineering Toy for Grades 3-7

Learning Resources Fizzy Volcano Preschool Lab: Toddler & Preschool Educational Science Kit with Water Dropper, Beaker & Test Tube

Snap Circuits Beginner Science Kits: STEM Learning for Grades 3-6, Includes Instruction Guide

KiwiCo Science of Cooking: Ice Cream

Learning Resources Gears! Gears! Gears! Robots in Motion Building Set: Educational Science Engineering Kit for Kindergarten-3rd Grade

Smithsonian Newton's Cradle: Physics Learning Kit for 3rd Grade with Instruction Guide

Snap Circuits Flight Deck Science Kits: Educational STEM Kit, 2nd to 4th Grade, Boosts Creativity & Motor Skills

3 In 1 Kitchen Sink Toy with Electric Faucet Water Table, Fishing Game Role Play Sink Set Indoor Outdoor for Kids Aged 3+ Years Old

Thames & Kosmos Weather & Climate Lab

Pinball Machine Maker: Gumball Rally

Learning Resources Primary Science Jumbo Eyedroppers with Stand: Preschool Science Kit for Kids

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

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

Hasbro Classic Operation Game

National Geographic Gemstone Dig Kit: Educational Science & Geology Activity for Grades 1-9 with Instruction Guide