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Indoor Activities

STEM Activities for Kids: Science and Engineering Through Play

STEM learning does not require a laboratory. These hands-on activities bring science, technology, engineering, and maths to life using materials found in every home.

Dr. James Crawford
9 min read
Published 15 Dec 2025
Children conducting a simple science experiment at home

STEM education — science, technology, engineering, and mathematics — has become a priority in schools across the UK. However, some of the most effective STEM learning happens at home, through hands-on activities that allow children to explore scientific concepts through direct experience. The best STEM activities for children are those that pose a question or challenge and allow children to discover the answer through experimentation.

Simple Science Experiments

The classic baking soda and vinegar volcano demonstrates chemical reactions in a dramatic and memorable way. Growing beans in a clear jar allows children to observe germination and root development over several days. Making a simple circuit with a battery, wire, and LED bulb introduces electrical concepts. Exploring magnetism with a magnet and various household objects teaches children about magnetic and non-magnetic materials.

Engineering Challenges

Engineering challenges develop problem-solving, spatial reasoning, and persistence. Challenge children to build the tallest tower possible using only newspaper and tape. Ask them to design a bridge from cardboard that can support a specific weight. Task them with creating a marble run from cardboard tubes, tape, and boxes. These open-ended challenges have no single correct solution, encouraging creative thinking and iterative design.

Mathematical Play

Mathematics is embedded in everyday activities. Cooking involves measuring, fractions, and multiplication. Shopping provides opportunities for addition, subtraction, and estimation. Building with blocks introduces geometry, symmetry, and spatial relationships. Board games develop strategic thinking and probability understanding. By highlighting the mathematical elements of these familiar activities, parents can help children see maths as a useful and interesting tool rather than an abstract school subject.

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Dr. James Crawford

Dr. James Crawford is a child development researcher and regular contributor to Kids Play Magazine, specialising in evidence-based approaches to children's play and learning.