Homeschool science kits and tools: what to buy at each age, from a $30 box to a high-school lab

Science is the subject where the right equipment changes everything and the wrong purchase sits in a cupboard. Most families need far less than the catalogues suggest in elementary and rather more than they expect in high school, where a lab science credit needs real labs and real safety equipment.

This guide lists what to buy at each stage, the kits that are worth their price, the suppliers homeschoolers use, and the tools that get used every week versus the ones that get used once.

K–5: the household science box (about $30–$60)

A labelled box with: magnifying glass, a cheap thermometer, a kitchen scale, measuring cups and spoons, droppers, balloons, string, food colouring, vinegar, baking soda, magnets, a small set of marbles and ramps, tweezers, jars, a torch.
Add: a bug viewer, a nature notebook, a set of seeds and pots, a simple pulley or set of gears.
Kits worth it at this age: Snap Circuits Jr. (electricity, ages 8+), a Thames & Kosmos or National Geographic kit on a topic the child loves, a butterfly or triops kit for life cycles.
Skip: chemistry sets for under-tens (mostly colour changes), telescopes (binoculars are better), anything that promises 100 experiments (you will do six).

Grades 6–8: the first real tools (about $150–$300)

A student microscope with real glass optics, 40x–400x, LED light, about $100–$150. The single best middle-school purchase. Prepared slides plus blank slides and cover slips.
Snap Circuits (full set) or a breadboard kit, a multimeter, and a set of magnets: electricity and magnetism become hands-on.
A digital scale to 0.1 g, graduated cylinders, beakers, safety goggles, a spirit thermometer: measurement with real units.
A rock and mineral collection with a streak plate and hardness kit; a dissecting kit with an owl pellet or a preserved specimen for life science.
Curriculum-matched kits: Home Science Tools sells kits keyed to Real Science Odyssey, Apologia, Elemental Science and others, which saves the hunting.

High school: lab kits by course (about $150–$350 per course)

Course	Kit	Approx. cost	Notes
Biology	Home Science Tools biology lab kit (matched to Apologia, Miller & Levine or generic), a microscope, dissection specimens (frog, fetal pig)	$150–$300 plus microscope	Virtual dissections are an acceptable supplement; one or two real ones are memorable.
Chemistry	Quality Science Labs Chemistry Kit or Home Science Tools chemistry kit, goggles, gloves	$200–$350	Kits supply chemicals in home-safe quantities with safety instructions; do not improvise beyond them.
Physics	Household objects plus a spring scale, a set of masses, a pulley set, a multimeter and a breadboard; optional Home Science Tools physics kit	$50–$200	Most physics labs need a ramp, a ball, string and a phone.
Anatomy and physiology	Dissection kit and specimens, a model skeleton or torso	$100–$300	An elective; kits from Home Science Tools or Carolina.
Earth and environmental	Rock kit, soil test kit, water test kit, weather station	$80–$200	Field work matters more than kit.

Suppliers homeschoolers use

Home Science Tools (homesciencetools.com): the homeschool science supplier; curriculum-matched kits, microscopes, chemicals, dissection specimens, ships to the US and many countries.
Quality Science Labs: complete high-school chemistry, biology and physics lab kits with manuals.
Carolina Biological: school supplier that sells to individuals; specimens and higher-end equipment.
Thames & Kosmos, Snap Circuits (Elenco), National Geographic, KiwiCo: consumer kits, best for elementary and middle school.
Amazon and local shops for the household box; hardware and pharmacy for most consumables.
In the UK: Timstar, Philip Harris and Better Equipped supply schools and will sell to individuals; Home Science Tools ships internationally. In Australia: Southern Biological, Haines Educational.

Safety, briefly

Goggles for every lab from middle school, no exceptions; it is a habit, not a rule.
An adult present for any chemistry; a cleared surface; no eating; a fire extinguisher or wet towel within reach.
Use kit chemicals in kit quantities. The dangerous homeschool labs are the improvised ones.
Store chemicals and specimens out of reach of younger children; label everything.

Plan it with Kuraplan

Homeschool science kits FAQ

What science kit should I buy for homeschool?

For K–5, a household science box you assemble for $30–$60 plus one topic kit the child loves. For middle school, a real microscope and Snap Circuits. For high school, a curriculum-matched lab kit per course from Home Science Tools or Quality Science Labs.

Do homeschoolers need a microscope?

Not in elementary; a magnifying glass and a bug viewer are enough. From about grade 6 a $100–$150 student microscope with glass optics is the best science purchase you will make, and it is needed for a high-school biology credit.

Where do homeschoolers buy science supplies?

Home Science Tools is the main homeschool supplier; Quality Science Labs for high-school lab kits; Carolina for specimens; Thames & Kosmos, Snap Circuits and KiwiCo for consumer kits; hardware stores and pharmacies for consumables.

Can I do high school chemistry labs at home safely?

Yes, with a kit designed for home use (chemicals in small quantities with safety instructions), goggles and gloves, an adult present, and no improvisation beyond the kit. Thousands of families do it every year.

What is the best science kit for a 10 year old?

Snap Circuits for electricity, a Thames & Kosmos kit on the child's interest (crystals, chemistry, robotics), a bug viewer and nature notebook, and the household science box. Avoid kits that promise dozens of experiments; you will do a few.

Reviewed 2026-09-07. Requirements, fees and programs change; verify with the official source before acting.

Homeschool science kits, sorted