STEM Toys by Age
Finding the right STEM toy shouldn't be guesswork. We've organised our top picks by age group so you can find toys that genuinely match your child's development stage.
4–5 Years
At this stage, children learn best through sensory play and simple cause-and-effect. These toys encourage curiosity without frustration.
Learning Resources Primary Science Lab Set
£24.99Chunky, colourful beakers, test tubes, and goggles sized perfectly for small hands. Introduces basic science concepts through water play and mixing.
Magna-Tiles Clear Colors 32-Piece Set
£39.99Magnetic building tiles that snap together satisfyingly. Children build 2D and 3D shapes while developing spatial reasoning.
National Geographic Mega Slime Kit
£19.99Make 8 different types of slime including glow-in-the-dark and magnetic varieties. All materials included.
6–8 Years
Children this age are ready for more structured experiments and can follow simple instructions. They love discovering "why" things work.
Thames & Kosmos Kids First Chemistry Set
£29.99A proper chemistry set designed for younger kids with safe, non-toxic materials. Includes 28 experiments covering acids, bases, and polymers.
Snap Circuits Jr. SC-100
£19.99Build over 100 electronic projects by snapping together colour-coded components. No soldering required.
Carson MicroBrite Plus Microscope
£18.99Our top-rated handheld microscope. 60x–120x magnification with LED lighting. Lightweight enough for garden exploration.
9–12 Years
Pre-teens are ready for real science equipment, coding challenges, and more complex engineering projects. These toys challenge without overwhelming.
micro:bit V2 Go Bundle
£34.99A pocket-sized programmable computer used in schools across the UK. Code it with blocks, JavaScript, or Python. Built-in sensors, LED display, and speaker.
Thames & Kosmos Crystal Growing Kit
£22.99Grow 12 different crystal formations over several days. Teaches patience, observation, and real geological science.
Plugable USB 2.0 Digital Microscope
£34.99Up to 250x magnification with photo and video capture. Connects to PC or Mac via USB.