3D printed STEM toys ideas for a 5-year-old

In this article, we’re going to discover the best and most amazing 3D-printed STEM toy ideas for a 5-year-old. So, if you have a 3d printer, it going to be the best opportunity to build awesome stem toys.

3D printed STEM toys ideas for a 5-year-old

I will list you the 15 awesome, 3D-printed STEM toy ideas for a 5-year-old. There is a lot of education and fun, your kid will have during these projects.

Nautilus gears

Nautilus Gears is the easiest way to build a simple 3d-printed stem toy for your kid. This toy is simple, it got four simple mounted parts. So your kid could easily gather them together.

This toy teaches the principles of mechanical design. It shows the importance of gears and how can transform movements.

It doesn’t take so much time to be printed. Also, it doesn’t consume a lot of plastic material. the only thing that you have to be aware of is being careful when you take sticky parts out of bed. So you do not break any one of them.

You can watch this toy through this video. if you like it you can download the plans from here.

Orbital top

playing by orbital top can be the funniest and best toy for a 5-year-old kid. Especially when he participates in his fabrication. It is easy, not complex, and not time costly. it requires just a few minutes to print. So, the toy is done.

At the finish of the printing process, you may need to sand the base hole. So, it can fit with the nozzle. There is no problem with it.

What is great about 3d printing is you can scale a toy. As a result, make a big orbital toy or a small one. It depends on your kid’s desire. But it is recommendable to print a regular small example in order to let it turn for a long time with minimal effort.

You can watch this toy through this video. if you like it you can download the plans from here.

Gear heart

Printing a heart toy could be the best gift for a kid, especially for girls. Moreover, it got a lot of mechanical parts that will attract and encourage a kid to mount it. it is a heart puzzle.

The heart toy is one of the beautiful 3D-printed STEM toy ideas for a 5-year-old. It combines science and art. This heart has geared mobile components.

It got 9 principal pieces plus a group of tiny picks that allow putting all things together. Thus you can watch this toy in this video. If you like it you find here the plans to download.

Flexi rex

Flex is an easy printable toy dinosaur. It is easy and flexible it doesn’t need any assembling operation. All you have to do is put the model in your printer and wait that it.

Flex has a flexible back that composes more than 9 mobile pieces. It is fun for kids and his form seems too much pretty and appealing.

what is good about the Flex toy it comes complete. So you don’t need to assemble it which makes it an easy and instant new stem idea game.

You can watch the flex in this video. Also, download files through this link.

Scissor snack

A Scissor snack is the most useful tool and a toy at the same time. It is one of the greatest 3D-printed STEM toy ideas for a 5-year-old. this scissor is exciting and funny for adults. So what about children?

These scissors allow you to grab items from a long distance in a funny way. You can grab pencils rules and lightweight items. It is so funny to play with it.

This piece is also easy to print. It doesn’t require any effort to gather. the kid could use it directly after the printing process.

In this video, you will see how funny this tool is. Moreover, you can download the 3d plan from here.

3D Printed Propeller

if you have a Garden or you go outside a lot with kids. This toy could be an interesting 3D-printed STEM toy idea for a 5-year-old. It is a propeller toy that kids could enjoy playing outside or even in a spacy house.

this toy comes with a group of different parts, easily mountable. You could print the majority of them at once if you have some little experience dealing with 3d printing software.

This tool is an exciting toy for kids. But is recommended to use it outside the house. Also, you have to avoid printing a fan with PETG plastic. Because it will rip easily by shocks.

You can see the details in this video, and print the toy downloading these parts.

marble machine

The marble machine is one of the most famous toys to build with a 3d printer. It merges between design and science. It has a complex morphology which creates an interesting and appealing toy for kids.

the marble toy needs some balls to be playable and enjoyable. It has 4 different parts to assemble it and make it work.

printing the marble toy is not a quick-project toy. It takes a little bit of time. So, it will take you more than 5 or 6 hours to print this toy. But finally is worthing.

Before starting the print verify if you have the right size balls. If you don’t. You can resize a model depending on the size of the balls you already have.

you can watch this video to see how will look your toy. Also, download from here the plans.

Squeezing fan

This toy is the best toy to introduce kids to mechanical engineering and robotics. It is considered an important 3D-printed STEM toy idea for a 5-year-old. It has interesting mechanics pieces to assemble.

Squeezing fan has one fan, 3 gears, and support that hold the pieces together. Assembling these pieces together is a mechanically challenging task for a kid. As a result, it will be a good STEM activity for kids.

to get these gears in their place you might need sandpaper. So you can sand some corners. Also helping a little bit your kid to build his first mechanical toy.

You will find the video explaining all processes. Also, the files to download a toy.


If you want to improve your kid’s problem-solving skills the maze is the best idea toy. This 3D-printed puzzle allows kids to break challenges spending fun time and get the goal done.

the goal is to put a ball first and get it out outside the game. To get that, the kid needs to choose the right road to recover his ball. If he doesn’t he wouldn’t be able to recover a ball.

It is a challenging game and teaches kids the meaning of patience and perseverance. Because it requires time by supporting trials and errors to get the ball out.

you can see the details in this video, Also, if your kid likes it, you can download the part form here.

Assembled car

if you have an obsessed kid with cars, So this toy is for you. This is one of the most recommended 3D printed STEM toy ideas for a 5-year-old that I liked personally. It allows your kids to build multiple car types in one model.

they can transform a car from a normal car to a sport or convertible one. Moreover, he will have a lot of 3D-printed tools to help him to learn mechanics. He can remove the engine, unscrew bolts, add accessories, and so on.

it is a multiple-idea toy project. You can watch the video and download the whole package from this link.


Using spirograph tools allow the kid to make wonderful drawing objects. So if your kid loves these kinds of drawings, printing them will be easier and allow you to have a lot of possibilities to build different drawings.

you could use these models to draw multiple designs.

In this video, you know how your kid could draw using this toy. Also, find the description by clicking here.


To learn the basics of math. The caliper is one of the best 3D-printed STEM toy ideas for a 5-year-old. You can image your kid using a safe 3D-printed caliper and measure objects. It is so interesting.

The caliper is composed of two simple flat pieces that you can print together or one by one. it depends on the size of your 3d printer. If you have a large 3d printer like architecture, you can print these both pieces together without any problem.

So, all you have to do is watch this video and download the tool if you get interested.

Bear Coin Bank

The bear coin is the most complex project among the idea toys that we noticed in this article. It got a lot of parts. But it is worth working on it. This toy has a goal to teach your kid how to save their coins through a fun process.

The kid puts the coin on the month of the bear and then presses the button. So, the bear swallows the coin. it is the funniest way to save money.

You can watch the video and see how to make this amazing bear coin. Also, you will find the all files if you decided to build one for your kid.

3d printed puzzle

Building the puzzles is the most useful 3D-printed STEM toy idea for a 5-year-old. It helps kids to build a good spatial imagination and increase their ability to solve problems.

Building puzzles is an amazing thing especially when you have a 3d printer. You have unlimited ideas to build with this machine.

As we said there are many 3d printing puzzle ideas. In this video, you will see the 10 awesome 3d printing puzzle ideas. So I will put their link below.


The best idea to explain the human skeleton is by building this toy. it’s funny you can let your kid play with, at the same time teach him biology. if he loves skeletons it won’t be hard to build one for it.

you could build a skeleton in multiple sizes. it is easy by scaling the 3D-printed objects. why not make a bigger one that is more expressive?

You could see this daughter playing with it in this video. It is so funny, especially with the music. By clicking here you could download your example.


These are the best and most useful 3D-printed STEM toy ideas for a 5-year-old. having a 3d printer is a powerful tool in a house. So, there is no excuse to not have one in-house.

It will help students from childhood until the end of their life. 3D printing technology is changing the world.


Yassin ajanif is a physics graduate and electromechanical engineer width more than 5 years in the field. My goal and my team are to share our experience to help you succeed in your career as a stem major. we talk about all tips, problems, and struggle STEM students face in their career and how to overcome them.