Best Outdoor STEM Toys in 2025

Welcome to the ultimate guide to outdoor STEM toys, brought to you by Wicked Uncle – the leading authority on awesome gifts! If you’re on the hunt for fun and engaging activities rooted in Science, Technology, Engineering and Maths, you’ve come to the right place.

Kids are naturally curious and the right toys can help channel that curiosity into building real-life skills – think problem solving, teamwork and logical thinking.

But we’re not talking about boring flashcards. Our list is packed with vibrant, hands-on toys that make learning STEM concepts great fun. Whether you’re a parent, grandparent or teacher, these top picks will keep young minds growing. Get ready to discover toys that entertain and educate!

Our top tried and tested picks:

1. Hydraulic Cyborg Hand Kit
2. Flower Press
3. Build a Volcano – Experiment Kit
4. World’s Smallest Microscope
5. Windbots – 6-in-1 Kit
6. About the Seashore – Rockpools & Beaches
7. Stars & Planets Science Kit

1 Hydraulic Cyborg Hand – Build Kit ,  £36.99 £36.99

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Build a cool & functional 40cm cyborg hand

Explore engineering with this innovative 40cm robot hand that uses hydraulic power to simulate the movements of the human hand. The 40-page full-colour manual shows you how to assemble the 203 pieces, allowing you to learn how hydraulic power works, with piston tubes filled with water. Have fun challenging yourself to pick up and use a variety of items like bottles, pencils and small items or even shake hands with your friends! An advanced build perfect for any budding engineer – hands-on!

2 Flower Press ,  £16.99 £16.99

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Make art from nature with a traditional wooden press.

Make arts and crafts from nature using this traditional wooden flower press. Simply gather your favourite flowers and leaves, then place them between the cardboard layers. Screw the sturdy 15cm plates together and wait just 3-4 short weeks for your pressed flowers to be ready! Sustainably made from FSC certified wood, this lovely set encourages creativity and an interest in nature too.

3 Build a Volcano – Experiment Kit ,  £16.99 £16.99

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Build & decorate your own volcano

Build your own functioning model volcano with this classic STEM kit. With the detailed instructions to guide you, use the Plaster of Paris to cover the sturdy base structure, rigging up the eruption mechanism with the tubing provided. Decorate your creation with paints, leave to dry and then combine non-hazardous materials to create a chemical reaction of flowing ‘lava’!

4 World’s Smallest Microscope ,  £9.99 £9.99

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Explore the world in cool 10X magnification!

At 4.5cm, this battery-powered microscope is mini but mighty! So easy to use, simply flick the switch to turn on the bright LED, then set the lens flush against your subject. Peek through the viewing chamber to see objects in clear 10X magnification! From household items to food and fingerprints, everything looks so fascinating up close.

5 WindBots – 6 in 1 Robot Build Kit ,  £29.99 £29.99

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Build wind-powered robots that can walk, fly & sail.

This fun and educational kit is a fantastic way to learn about alternative wind energy, whilst having fun. Easy to assemble, build robots that can walk, fly and even sail, with comical and functional movements. Follow the detailed instruction manual and build everything from a Tricycle-Bot to a Walking-Bot and Car-Bot, even a Yacht-Bot. All powered by natural wind, the hand cranked fan with the kit or even by simply blowing – just brilliant!

6 About the Seashore – Rockpools & Beaches ,  £14.99 £14.99

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Explore beaches and nature

Discover the wonders of the ocean with this super cool kit! Learn about the eco system and the food chain with 24 identification cards, making it super simple to see what treasures you’ve found. The set includes a sturdy net for catching and observing specimens, along with a bug pot to see them up close!

7 Stars & Planets Science Kit – Little Labs ,  £19.99 £19.99

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Learn all about the solar system – for aspiring astronomers!

Do plants grow on other planets? Why does the moon have a face? The answers to these questions and many more can all be found in this inspiring kit with easy hands-on experiments. Great way to learn all about outer space and have fun investigating the solar system. Also useful for NASA job applications.

For more outdoor STEM toys, head over to our Outdoorsy and Engineer categories, where the Elves have plenty more!

What happened when the owl lost their voice? It didn’t give a hoot.