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How to Make Science Toys

Make Your Own Science and Educational Toys


You don't have to go to a store to get science and educational toys. Some of the best science toys are the ones you can make yourself using common household materials. Here are some easy and fun science toys to try.

Lava Lamp

You can make your own lava lamp using safe household ingredients.
Anne Helmenstine
This is the safe, non-toxic version of a lava lamp. It's a toy, not a lamp. You can recharge the 'lava' to activate the lava flow again and again.

Smoke Ring Cannon

Here is the smoke cannon in action.
Anne Helmenstine
Despite having the word 'cannon' in the name, this is a very safe science toy. Smoke ring cannons shoots smoke rings or colored water rings, depending on whether you use them in air or water.

Make Your Own Bubble Solution

C. Arunan
Bubbles are great fun! Making your own bubble solution is an easy and inexpensive science project.

Bouncy Ball

Polymer balls can be quite beautiful.
Anne Helmenstine
Make your own polymer bouncy ball. You can vary the proportions of the ingredients to change the properties of the ball.

Make Slime

Slime looks nasty when it's on your hand, but it doesn't stick or stain so you can remove it easily.
Anne Helmenstine
Slime is a fun science toy. Make slime to gain hands-on experience with polymer or just hands-on experience with gooey ooze.


Flubber is a non-sticky and non-toxic type of slime.
Anne Helmenstine
Flubber is similar to slime except it is less sticky and fluid. This is a fun science toy you can make that you can store in a baggie to use again and again.

Wave Tank

You can make your own wave tank to explore liquids, density, and motion.
Anne Helmenstine
You can examine how fluids behave by building your own wave tank. All you need are common household ingredients.

Ketchup Packet Cartesian Diver

Squeezing and releasing the bottle changes the size of the air bubble inside the ketchup packet.
Anne Helmenstine
The ketchup packet diver is a fun toy that can be used to illustrate density, buoyancy, and some of the principles of liquids and gases.

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