🧪 10 Simple STEM Activities You Can Try at Home (Ages 3–6)
Looking for engaging and easy science activities for your little ones?
These 10 STEM ideas are mess-free, fun, and require only household items. Perfect for curious kids aged 3 to 6!
🧂 1. Make a Rainbow with Salt and Water
All you need is table salt, water, and food coloring. Watch as colors mix and separate in a simple diffusion experiment.
🧲 2. Magnetic vs. Non-Magnetic Hunt
Hand your child a magnet and go on a house-wide treasure hunt! Is the spoon magnetic? What about a LEGO? Hands-on sorting meets science.
🌡️ 3. Ice Cube Melt Race
Place ice cubes on different materials (metal, cloth, plastic) and see which melts first. A perfect intro to heat transfer.
🧪 4. Color Mixing in Zip Bags
Add a few drops of primary colors into a sealed plastic bag. Squish and squeeze to mix colors—no mess, lots of fun!
💨 5. Blow-Up Balloons with Vinegar + Baking Soda
Combine baking soda and vinegar in a bottle, attach a balloon on top, and watch it inflate! Chemistry magic, every time.
🧻 6. Build a Paper Towel Bridge
Use just paper towel tubes and books to make a bridge. How many toy cars can it hold? Simple engineering fun.
🔦 7. Shadow Shapes on the Wall
Grab a flashlight and make animal shapes with your hands or toys. A cool way to talk about light and shadows.
🌈 8. DIY Color Spinner
Cut a paper circle, color it like a rainbow, and spin it fast—watch colors blend into white! An optical illusion they’ll love.
🧼 9. Soap-Powered Boats
Cut a boat shape from foam or cardboard, place it in water, and add a drop of dish soap to the back. Zoom! That’s surface tension in action.
🔊 10. Sound Shakers
Fill small containers with different materials (rice, beans, coins) and shake them. Great for exploring sound and sensory play.
👉 Want more printable STEM fun?
Download our Water Wonders STEM Kit – a free 7-day printable experience with guided experiments and a playful mascot.
🎁 Instant download. No prep. Pure fun.
Get your free printable STEM activities for preschoolers now!
