STEM Toys & Science Kits

Snap Circuits Explore Coding is a block-based coding STEM kit for ages 8+. Our hands-on review tests the app, 30+ projects and if it's worth it.

Snap Circuits Green Energy review: we put 125+ clean-energy projects to the test for kids 8+. See our honest verdict before you buy.

Snap Circuits MyHome review: we built all 34 projects to test this 60-part home electronics STEM kit. See our verdict, pros and cons, and age fit for 8+.

Snap Circuits Code Journey review: we tested the Bluetooth coding kit to see if its hands-on STEM lessons are worth 0 for ages 8+.

Snap Circuits Motion review: our hands-on look at the 165+ projects, gears, and pulleys, plus whether this STEM kit is worth it for kids ages 8+.

Snap Circuits Arcade review: a 36-piece STEM kit with 200+ projects and 20 arcade games for ages 8+. See how it teaches electronics, hands-on.

Snap Circuits Spy Kit review: build 25+ spy missions with motion detectors, voice changers, trip wires and a vibration sensor while kids learn real STEM.

Snap Circuits LIGHT review: we built all 175 fiber-optic and LED projects to see if this STEM kit is worth it for kids 8 and up.

Snap Circuits BRIC: Structures review: we test the Bric-2-Snap builds, 140+ bricks and 20+ projects for kids 8+, and say what works and what doesn't.

Snap Circuits Snap 2 It is a STEM board game where 1-4 players race to snap a circuit from their light to the battery pack. Our review, specs, and verdict.

Snap Circuits Nite Lite review: we tested this build-it-yourself STEM night light for kids 5+. See the 5 light shows, how easy it builds, and if it's worth it.

Snap Circuits Flight Deck review: we built and tested the 5 no-solder projects that launch paper airplanes, saucers and balls. Our verdict for kids 8+.

The Snap Circuits Magnet Kit teaches kids 8+ to build a working electromagnet, compass and 5+ magnet projects. Our hands-on review and full verdict.

Snap Circuits Soccer Shot review: a build-it-yourself 2-player tabletop soccer STEM game. We tested the build, gameplay, and whether it's worth it.

Our hands-on Snap Circuits Beginner (SCB-20) review for kids ages 5-9: first impressions, build quality, the 20+ projects, and value.

The Snap Circuits Extreme SC-750R is a 750-project electronics kit for ages 8+. We tested the build quality, computer interface, and STEM value.

We tested every project in the Snap Circuits Pro 500-in-1 kit. Our hands-on review of build quality, value, and STEM payoff for kids 8+.

Snap Circuits Classic SC-300 review: is this 300-project, no-soldering STEM kit worth it? We tested it with our kids ages 8+ — here's our honest verdict.

Snap Circuits Jr. SC-100 review: we tested this no-solder, 100-project STEM kit with real kids 8+. Here's what it teaches — and where an adult matters.

LEGO Technic 42180 Mars Crew Exploration Rover review: our hands-on take on the 1,599-piece, NASA-inspired build, working features and whether it's worth 0.

LEGO Technic 42151 Bugatti Bolide review: our hands-on take on the 905-piece W16 build, scissor doors and 1:16 detail. Is it worth it? Our verdict.

LEGO Gadgets review: we built all 11 Klutz machines to see if this STEM kit is worth it. Here's what actually works, what's flimsy, and who it's for.

Our honest LEGO Chain Reactions review: build 10 Klutz machines that spin, swing, roll & drop. See what's in the box and if it's worth buying.

Review: the LEGO Technic NASA Mars Rover Perseverance (42158) is a detailed, functional 1,132-piece set with 6-wheel steering, suspension and Ingenuity.

A detailed review of the Klutz Lego Gear Bots Science/STEM Activity Kit, covering its build experience, educational STEM value, materials, and fit for ages 8-12.

Hands-on review of LEGO Technic 42179 Planet Earth and Moon in Orbit: the first static Technic set in 34 years, a working orrery that tracks Moon phases.

We tested the Sillbird Robot Car Building Kit with our kids: build quality, app and remote, and whether this 5-model STEM set is worth buying in 2026.

We built the Sillbird 12-in-1 Solar Robot Building Kit: 190 pieces, 12 solar-powered designs, 2 difficulty levels, hands-on STEM tested for ages 8-13.

Is the Thames & Kosmos Pinball Machine Maker worth it? Our hands-on review of the edible-gumball STEM kit covers the physics it teaches and value for ages 6-12.

Thames & Kosmos Physics Workshop review: build 36 models from 300+ pieces, run hands-on experiments, learn mechanical physics. Ages 8+. Is it worth it?

Our hands-on Thames & Kosmos Orbiting Solar System review: we built the windup orrery of all eight planets and tested the gear ratios. Is it worth it?

Thames & Kosmos Orbital 3D Maze review: a space-themed build-and-steer marble maze. Honest take on age fit, what's in the box, and whether it's worth it.

Thames & Kosmos Bionic Robotic Arm review: we built the 300-piece, no-battery STEM kit. Ratings, age-fit, and whether it's worth it.

Our hands-on review of the Thames & Kosmos Architectural Engineering kit: we built all 26 models to test the STEM value, parts, and whether it's worth it.

Thames & Kosmos Air-Power Turbo Racer review: we built the 91-piece battery-free kit and raced it 60 feet at 9mph. Our hands-on STEM verdict, ages 8+.

Thames & Kosmos Gumball Machine Maker review: we built the kit to test the physics, the fun, and whether it's worth it for kids ages 6-12.

Build and wear a 16-inch robotic hand with 203 pieces — no motors, no batteries. Our Thames & Kosmos Mega Cyborg Hand review covers every detail for families.