14 Fun 3D Printed Toys for Kids and Adults

Making toys is one of the most enjoyable ways to use a 3D printer. A single spool of filament can become an articulated animal, a pocket-sized puzzle, a mechanical car or a complete set of tabletop accessories. Many designs print in place, while more advanced projects offer an introduction to assembly, gears and basic design.

The best 3D printed toys are not simply the most colourful models. A good project should suit the user’s age, the printer’s capabilities and the amount of finishing or supervision available. This guide covers 14 practical ideas for children, families and adult makers, followed by material, cost and safety advice for users.

14 fun toys to make with a 3D printer

Easy print-in-place toys

1. Fidget gears

Print-in-place fidget gears are an accessible first project because their moving sections are created in a single print. They use relatively little filament and quickly reveal whether the printer’s first layer and dimensional accuracy are working well.

Choose designs with rounded edges and sufficiently thick connections. Very small gears or thin pins may break during frequent handling.

2. Spinner rings

A spinner ring consists of one or more moving bands around a central ring. It is compact, quick to print and useful for testing tolerances before starting a larger mechanical model.

Size the model for its intended user and remove any strings or rough edges before handling. Small rings should not be given to young children.

3. Articulated dragons

The articulated dragon remains one of the most recognisable types of 3D printer toy. Its linked body usually prints as one complete model, without pins or post-print assembly.

Long dragons need a clean first layer because every segment must remain in position. Avoid forcing joints immediately after printing. Let the build plate cool, remove the model carefully and loosen each joint gradually.

4. Flexi animals

Snakes, dinosaurs, fish and octopuses use the same linked-joint principle as articulated dragons but are often shorter and faster to print. They are suitable for experimenting with different colours or using small amounts of remaining filament.

For further moving-model inspiration, see our guide to 3D printed robot projects.

5. Spinning tops

A spinning top is simple in appearance but sensitive to balance. Uneven extrusion, a rough tip or an asymmetrical design can noticeably shorten its spinning time. This makes it a useful test print as well as a toy.

Puzzles and mechanical toys

6. Puzzle boxes

Puzzle boxes use sliding sections, rotating rings or hidden catches to create a small challenge. They also work as storage for tokens, dice or other lightweight items.

Check the designer’s recommended clearance before slicing. Scaling every axis can alter the gaps between parts and make a previously functional mechanism too tight or too loose.

7. Sliding puzzles

Sliding-tile puzzles are a manageable introduction to multi-part printing. Pieces can be printed in several colours and replaced individually if one becomes damaged.

If a puzzle is intended for a younger user, enlarge the tiles and avoid loose parts that could present a choking risk.

8. Rubber-band cars

A rubber-band-powered car introduces wheels, axles and a simple energy-storage mechanism. It is best treated as a supervised building project rather than handed over immediately after printing.

Inspect the axle holes and wheel attachment points before use. Do not overstretch the elastic band, and keep it away from the face when winding the mechanism.

9. Gearbox models

Connected gears provide a clear demonstration of torque, direction and gear ratios. Beginners can start with two or three large gears before progressing to a complete gearbox or hand-cranked model.

10. Marble mazes

A marble maze combines physical play with spatial problem-solving. Flat handheld mazes are easier to print, while modular marble runs require more parts and careful alignment.

Marbles and loose balls are unsuitable for very young children. An enclosed maze with a permanently captured ball is safer than a design with removable small parts, but it still requires inspection for damage.

Creative and imaginative play

11. Doll’s house furniture

Tables, chairs, storage boxes and miniature kitchen accessories can be customised to fit a particular doll’s house or play scene. These models are also useful exercises in measuring and scaling.

Rounded corners and thicker legs make miniature furniture more durable. Thin decorative details may snap during play and create small fragments.

If you would like to create original accessories rather than relying entirely on downloaded files, our beginner’s guide to designing for 3D printing explains wall thickness, clearances and print orientation.

Tabletop toys for adults

12. Board-game tokens

Generic counters, markers and storage trays are practical projects for board-game players. They are quick to print and can be colour-coded for different players or functions.

Only download and reproduce files you are permitted to use. A fan-created model being freely available does not automatically mean it can be sold or commercially reproduced.

13. Dice towers

A dice tower is a larger but relatively straightforward print. Internal baffles randomise the dice while a tray prevents them from rolling across the table. Sectioned models are useful when the complete tower is too large for the printer’s build area.

14. Miniatures and modular terrain

Miniatures, walls, buildings and terrain tiles can turn 3D printing into a long-term adult hobby. FDM works well for terrain and larger figures, while resin can reproduce finer miniature details but requires a more controlled workflow.

Multicolour filament systems can add coloured features without manual painting. Our UK multicolour 3D printing guide explains the additional time and purge material involved.

How to choose a safe and printable toy file

• Check the intended age: avoid models with loose or breakable small parts for children under three.
• Inspect wall thickness: decorative models may not be strong enough for repeated play.
• Read the designer’s notes: use the recommended nozzle size, layer height, orientation and support settings.
• Check the licence: confirm whether modification, sharing or commercial use is permitted. The Creative Commons licence guide explains common attribution and reuse conditions.
• Avoid unsupported claims: a file described as “child-safe” has not necessarily undergone formal toy testing.

Materials and settings for 3D printed toys

1. PLA

PLA is easy to print and suitable for many decorative models, puzzles and lightly handled toys. However, PLA filament is not automatically certified as a finished toy, food-contact material or chewing product. Pigments, additives, small parts and the design of the complete object all affect suitability.

2. PETG

PETG can offer better toughness and heat resistance than standard PLA, but it may produce more stringing. It is useful for parts that need extra flexibility or impact resistance, provided the chosen filament and completed model are suitable for the intended use.

3. TPU

TPU is useful for soft wheels, flexible figures and impact-resistant components. Very soft grades can be more difficult to print accurately, so begin with a simple model and a tested slicer profile.

4. Strength comes from more than infill

Increasing infill does not automatically prevent a toy from breaking. Wall count, layer orientation, joint thickness and the direction of applied force can be more important. Print a small test section before producing a long articulated or load-bearing model.

Safety checks before play

• Allow the print and build plate to cool before removal.
• Remove supports, strings and sharp remnants.
• Smooth rough contact edges without changing functional clearances.
• Flex-test joints, wheels and thin sections before handing over the model.
• Discard a toy if layers separate or small fragments begin to break away.
• Keep magnets, batteries, elastic bands and other inserted components under adult control.
• Do not assume a home-printed model is suitable for chewing, food contact or unsupervised bath play.

Personal hobby projects and products placed on the UK market are not the same. Anyone manufacturing or selling toys should review the official Great Britain toy safety guidance and obtain appropriate compliance advice.

How much does a 3D printed toy cost?

Rather than using a fixed dollar or pound estimate, check the material weight shown by the slicer:

Estimated material cost = model weight in grams ÷ 1,000 × spool price

For example, an 80 g toy printed from a £20 kilogram spool uses approximately £1.60 of filament. This does not include electricity, purge material, failed prints or finishing supplies.

Frequently asked questions

1. What are the easiest 3D printed toys for beginners?

Spinning tops, simple fidget gears, flexi animals and board-game tokens are good starting points. Choose designs with few supports and clear printing instructions.

2. Are 3D printed toys safe for children?

Safety depends on the complete model, not only the filament. Consider age, small parts, breakage, sharp edges, material information and how the toy will be used. Adult inspection and supervision remain important.

3. Can 3D printed toys be used in the bath?

FDM models may resist brief contact with water, but layer lines and internal cavities can retain moisture. A home-printed object should not automatically be treated as a hygienic or fully watertight bath toy.

4. Can I sell toys made from downloaded 3D files?

Only when the file licence permits commercial use and the finished product meets applicable safety and intellectual-property requirements. A free download does not automatically include permission to sell prints.

5. Which 3D printer is suitable for making toys?

An automatically calibrated FDM printer is suitable for most fidget toys, articulated models and mechanical projects. Multicolour capability is useful for decorative toys, while resin is more appropriate for detailed adult miniatures. Current options are available in the Creality UK 3D printer.

Conclusion

3D printed toys range from ten-minute test models to detailed weekend projects. Begin with a simple fidget, spinner or flexi animal, then progress to puzzles, vehicles and mechanical models once your tolerances are reliable. Whatever you print, inspect the finished object carefully and match its size, strength and materials to the intended user.