Discounted STEM Toys for Kids Ages 5-18 | 30-40% Off
Browse 27+ curated STEM toys for kids ages 5-18. Save 30-40% on brands like Thames & Kosmos, Snap Circuits, Learning Resources. Free shipping over $50.
Best Seller
-33%
Magnetic Building Tiles — 50 Piece Set
Colorful magnetic tiles that snap together to build 3D structures. Develops spatial reasoning and creativity.
-38%
My First Science Kit
15 fun experiments that introduce kids to basic chemistry and physics concepts.
Popular
-27%
Coding Robot for Beginners
Screen-free coding robot that teaches sequencing, loops, and logic through hands-on play.
Nature Explorer Backpack Kit
Binoculars, magnifying glass, compass, and bug catcher for outdoor STEM exploration.
Best Seller
-30%
Snap Circuits Electronics Kit
Build working electronic circuits with snap-together components. 75+ projects included.
-29%
Robotics Starter Kit
Build and program a real robot with sensors, motors, and a visual programming interface.
-34%
Crystal Growing Lab
Grow vibrant crystals in multiple colors while learning about chemistry and geology.
Popular
-30%
Bridge Builder Engineering Set
Design and test real bridge structures. Learn physics and engineering through building.
Top Rated
-31%
Arduino Starter Kit
Complete Arduino board with sensors, LEDs, motors, and a 170-page project guide.
Premium
-33%
Drone Builder Kit
Build and fly your own programmable drone from scratch. Learn aerodynamics and coding.
Advanced Coding Platform — 1 Year Access
Interactive coding challenges in Python, JavaScript, and more. Self-paced with mentorship.
Value Pick
-38%
Solar Robot 14-in-1 Kit
Build 14 different solar-powered robots and vehicles. Learn renewable energy concepts.
-34%
Gear Building Set — 110 Pieces
Interlocking gears, axles, and connectors that spin, turn, and mesh together. Build spinning machines and learn mechanical engineering.
Value Pick
-33%
Math Balance Scale
Hands-on balance scale with number weights that makes math equations physical and intuitive.
-34%
Dinosaur Fossil Excavation Kit
Dig, chisel, and brush away plaster to uncover realistic dinosaur fossils. Includes tools and a paleontology guide.
Popular
-33%
Marble Run Builder — 120 Piece Set
Build gravity-powered marble tracks with ramps, funnels, spinners, and loops. Teaches physics through play.
-30%
Kids Weather Station Kit
Real working thermometer, rain gauge, wind vane, and barometer. Track daily weather and learn meteorology.
Top Rated
-33%
Kids Microscope Lab Kit
Real 40x-1000x microscope with prepared slides, specimen tools, and a guide to the microscopic world.
-34%
Electric Motor Science Kit
Build 10 working motor-powered machines. Teaches electromagnetism, circuits, and energy conversion.
Popular
-30%
Hydraulic Robot Arm Kit
Build a working hydraulic-powered robot arm that grips, lifts, and rotates. No batteries required.
Math Puzzle & Logic Game Set
25 brain-teasing math puzzles, logic games, and spatial challenges. Develops critical thinking skills.
-30%
Volcano & Geology Lab
Build erupting volcanoes, identify real rock specimens, and conduct 15 geology experiments.
Best Seller
-33%
Raspberry Pi Starter Kit
Complete single-board computer with case, power supply, SD card, and a 50-page project guide.
-30%
3D Pen Engineering Set
Draw in three dimensions with a professional-grade 3D pen. Includes filament, stencils, and an engineering project guide.
Premium
-31%
Beginner Telescope & Astronomy Kit
70mm refractor telescope with tripod, phone mount, star map, and astronomy guide. See the moon, Saturn, and Jupiter.
Top Rated
-31%
Advanced Chemistry Lab Set
Professional-grade chemistry set with beakers, test tubes, chemicals, and 40+ experiments.
-33%
AI & Machine Learning Kit
Build smart AI projects with a microcontroller, sensors, and guides for image recognition, voice commands, and autonomy.
Popular
-33%
Osmo Genius Starter Kit
Award-winning iPad-based learning system with 5 hands-on games covering math, spelling, and creative thinking.
-29%
Primary Science Lab Set
Complete 10-experiment science lab kit with real tools: beakers, test tubes, tongs, and a learning guide.
Top Rated
-33%
Botley 2.0 Coding Robot
Advanced screen-free programmable robot with obstacle detection, looping, and 120+ activity cards.
-30%
National Geographic Rock & Gem Science Kit
Explore 15 real rocks and gems with a magnifying glass, activity book, and detailed identification guide.
-29%
Water Science Lab — Floating & Sinking Kit
20 fascinating water science experiments exploring buoyancy, surface tension, and liquid density.
Value Pick
-30%
Wooden Pattern Blocks & Boards — 130-Piece Set
Classic wooden math manipulatives for geometry, fractions, symmetry, and creative pattern making.
-33%
Simple Machines Learning Set
Build and experiment with 8 real simple machines — lever, pulley, wheel & axle, inclined plane, and more.
-29%
Bug Catcher & Habitat Exploration Kit
Complete outdoor science kit: bug catcher, habitat jar, magnifier, tweezers, and a 48-page insect ID guide.
-30%
Thames & Kosmos Kids First Robot Claw
Build and control a motorized robot claw arm — no tools or batteries required. Pure gear-powered mechanics.
-29%
Magnetic Fishing & Counting Game Set
Magnetic fishing game that builds counting, number recognition, color sorting, and addition skills through play.
Popular
-33%
Thames & Kosmos Crystal Growing Lab
Grow spectacular real crystals in 4 vibrant colors — learn mineralogy and solid-state chemistry.
-33%
4M Solar Powered Robot Kit
Build a robot that moves entirely on solar power — no batteries ever needed. Includes 3 movement modes.
-33%
littleBits Base Inventor Kit
Snap-together electronic modules that build working inventions — no wiring or soldering required.
-29%
National Geographic Mega Fossil Dig Kit
Excavate 15 real fossils from 3 large dig blocks — includes fossil ID poster and paleontology guide.
-33%
Thames & Kosmos Weather Station Pro
Build a professional weather station that measures wind speed, rainfall, humidity, temperature, and air pressure.
Best Seller
-31%
Snap Circuits Extreme SC-750
Build 750+ electronic projects including an AM/FM radio, digital voice recorder, and programmable circuits.
-33%
Gears! Gears! Gears! Deluxe Building Set
100-piece motorized gear set with a battery-powered motor — build wild spinning gear machines.
Top Rated
-33%
Gravity Maze Marble Run Logic Game
60-challenge logic puzzle where you build a marble maze from tower pieces — engineering and spatial reasoning.
-30%
Human Body Anatomy Model — 31-Piece Set
Detailed human torso model with 31 removable organs and parts — explore biology from the inside out.
Value Pick
-33%
4M Green Science Water Powered Clock
Build a working digital clock powered entirely by water — demonstrates electrochemical energy generation.
Popular
-29%
DJI Tello EDU Drone
Programmable drone with Python, Swift, and Scratch SDK — learn aeronautics, physics, and real-world coding.
Top Rated
-33%
SparkFun Inventor's Kit for Arduino
5 complete Arduino circuit projects with a 184-page guidebook — the perfect step up from Starter Kit.
-29%
DNA Extraction Biotech Science Kit
Extract real, visible DNA from strawberries, bananas, and onions using the same technique used in real labs.
Best Seller
-31%
Thames & Kosmos Renewable Energy Science Kit
Build 5 working renewable energy systems: solar, wind, hydro, fuel cell, and thermoelectric generators.
-30%
Forensic Science Investigator Kit
Analyze fingerprints, hair, fibers, soil samples, and mystery substances using real forensic techniques.
-31%
Raspberry Pi Zero 2W Starter Bundle
Complete Pi Zero 2W kit with GPIO components, case, SD card pre-loaded with Raspberry Pi OS, and project guide.
-30%
Estes Tandem-X Model Rocket Launch Set
Launch 2 real rockets up to 1,100 feet — includes launch controller, engines, recovery wadding, and safety guide.
Premium
-31%
Thames & Kosmos Advanced Chemistry Set
250+ experiments in organic chemistry, acid-base reactions, chromatography, and electrochemistry.
Top Rated
-33%
BBC Micro:bit V2 Learning Kit
Programmable pocket computer with built-in sensors — code in Python, JavaScript, or visual blocks.
-31%
Solar Panel Energy Engineering Kit
Build and test real photovoltaic circuits — measure power output, wire series/parallel arrays, and optimize efficiency.