Kids & Playroom · Beginners
Building Blocks & Construction Toys for Beginners
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the Desire Deluxe Magnetic Building Blocks Tiles STEM Toy Set 57PC – Kids Learning Educational Construction Toys for Boys Girls Present Age 3 4 5 6 7 Year Old - Gift — the best Building Blocks & Construction Toys we tested, from £19.49.
So you’re thinking about introducing your little one to the wonderful world of building blocks – it's a fantastic way to foster creativity and problem-solving skills. When starting out with construction toys for beginners, focusing on the core size and shape of the bricks is key, as is considering how many pieces are included and whether storage solutions are offered. While you’ll undoubtedly come across countless options like magnetic blocks, elaborate sets with wheels or detailed instructions, it's best to keep these aspects secondary initially until you understand your child's preferences and development stage.
See the full range in Building Blocks & Construction Toys.

#1 Pick
MEGA BLOKS Fisher-Price Toddler Block Toys, Big Building Bag with 80 Pieces and Storage, Blue, Gift Ideas for Kids Age 1+ Years, DCH63- 1+ years
Currently unavailable
Pros
- 80 pieces in 10 shapes and 9 colours for varied builds
- Storage bag included for quick tidy-up
- Very high review volume and rating on Amazon UK
Cons
- Best suited to younger toddlers, may be outgrown quickly

#2 Pick
MEGA BLOKS Big Building Bag Building Set with 60 Big and Colorful Building Blocks, and 1 Storage Bag, Toy Gift Set for Ages 1 and Up, DCH55- 1+ years
Currently unavailable
Pros
- Large, easy-grip blocks suit toddlers from age 1
- 60 pieces in vibrant colours plus a storage bag
- Well-known Mattel brand with strong review volume
Cons
- Chunky blocks build simpler structures than smaller brick sets

#3 Pick
LEGO 10696 Classic Medium Creative Brick Box, Easy Toy Storage, Colourful Bricks Building Set, Toys for Kids Aged 4 Plus with Wheels, Windows, Eyes and a Green Base Plate- 4+ years
Currently unavailable
Pros
- 484 pieces in 35 colours plus wheels, windows and eyes
- Green baseplate and plastic storage box included
- Enormous review volume reflects long-running popularity
Cons
- Large piece count means longer tidy-up time

#4 Pick
Desire Deluxe Magnetic Building Blocks Tiles STEM Toy Set 57PC – Kids Learning Educational Construction Toys for Boys Girls Present Age 3 4 5 6 7 Year Old - Gift- 3+ years
£19.49
Pros
- 57-piece set with strong, clear magnetic tiles
- Extremely high review volume with a 4.8 average
- Encourages open-ended STEM and creative play
Cons
- Acrylic tiles can chip if dropped on hard floors
FAQ
What are 'building blocks' and 'construction toys'?
Essentially, building blocks are interlocking plastic bricks designed for creative construction, while construction toys often encompass this alongside other tools like magnetic tiles or wooden sets that encourage spatial reasoning.
Are there different types of building blocks?
Yes, you'll find large Duplo bricks aimed at toddlers, smaller Lego Classic sets suitable for beginners, and magnetic tile systems like Magformers offering a different construction method.
What’s the difference between ‘Lego’ and other building block brands?
Lego is known for its precise brick-to-brick connection system and extensive range of compatible sets, while other brands may have looser fitting bricks or focus on specific themes – consider what your child enjoys.
What does 'compatible' mean when buying blocks?
‘Compatible’ means the bricks from different manufacturers will slot together; Lego is generally considered the most compatible, but some sets designed for interlocking are also suitable.
How do I choose the right size building blocks for a young child?
For toddlers (2-4), larger Duplo bricks are ideal due to their easier handling and reduced choking hazard; older children can move onto smaller Lego or magnetic tiles.
What's important about the set’s instructions?
Initially, focus on following the included instructions to build a completed model – this helps develop understanding of construction techniques before encouraging free-form play.
Should I buy a huge box of blocks or a smaller starter set?
Starting with a smaller, focused set like a Lego Classic Set or a magnetic tile starter kit is often better; you can gradually expand your collection as your child’s skills develop and preferences are discovered.
What about accessories – do I need them?
While accessories like extra bricks or specialised sets can add to the fun, they aren't essential for a beginner. Focus on building the core set first before adding extras.
How will my child store their blocks?
Consider where you’ll keep the blocks – storage boxes, plastic tubs, or even dedicated Lego shelves are useful to maintain order and prevent pieces getting lost.
What should I look for in terms of durability?
Generally, well-made Lego bricks are extremely durable. However, always check the manufacturer’s instructions for age recommendations and safety guidelines to ensure the blocks are suitable for your child's play style.
In depth
Let’s talk about choosing your first construction toy – the kind where you build things! It can seem overwhelming at first, but really it's just about picking blocks that will give you the most fun and let you create what you imagine. There’s a surprising amount of language used to describe these toys, and many of those terms aren’t important when you’re starting out. Don’t worry about getting everything perfect right away; focus on building some basic shapes and seeing what you enjoy.
The most important thing to consider is the size of the blocks themselves. These are often described using a measurement called ‘millimetre’ – mm for short. This tells you how long each individual block is. Smaller blocks, around 10mm or 20mm, are great for intricate building and creating smaller details like tiny houses or miniature vehicles. They're more fiddly to handle, particularly for little hands, but allow for incredible precision. Larger blocks, maybe 50mm or 80mm, are much easier to pick up and slot together quickly. They’re fantastic for building bigger structures – a castle, a large town, or even just big walls – and are generally more durable as they're less likely to snap under pressure. Don’t get too caught up in trying to find the ‘perfect’ size; it’s better to start with something reasonably sized (around 30-50mm) that feels comfortable to handle.
Next, consider the shape of the blocks. Most construction toys use rectangular blocks, but you'll also find square and sometimes even triangular ones. The rectangular blocks are the most common and versatile, allowing for a huge range of building possibilities. Square blocks add a bit more stability to your structures – useful if you’re building something tall or delicate – and triangular blocks can be used to create angled roofs or supports. Again, don't worry about mastering all these shapes immediately; start with the rectangles and gradually introduce others as you get more confident.
The term ‘connectors’ refers to little pieces of plastic that slot into the ends of the blocks, allowing you to join them together in different ways. Some sets include a wide range of connectors, which is useful if you want to build complex structures with lots of angles and joins. Others have fewer, simpler connectors. For your first purchase, it's perfectly fine to choose a set with basic connectors – you can always add more later if needed. It’s really about the number of blocks themselves rather than an elaborate system of joining them at this stage.
You might also see mentions of ‘snap-together’ or ‘click-lock’ systems. This just means that the blocks are designed to fit together securely, with a noticeable ‘click’ when they connect. These can be easier for young children to use as they don't require as much force to assemble and disassemble. However, they aren’t strictly essential – you can build equally impressive structures with blocks that simply slot together. The important factor is how easily you can manipulate the blocks to achieve your desired outcome.
Finally, think about the colour range offered in the set. While bright colours are often appealing, especially for younger builders, don't feel pressured to buy a set filled with every shade imaginable. A smaller selection of primary and neutral colours (white, grey, brown) will allow you to build more versatile structures that can be adapted to different themes. You can always add coloured blocks later if you want to introduce some extra flair. Don’t overcomplicate things at this early stage; a basic set is perfectly adequate for developing your building skills and creativity.
Things like ‘building plates,’ ‘instruction manuals,’ or ‘compatible with other brands’ are generally less important when you're just starting out. Instruction manuals can be frustrating, especially if you're trying to build something different from what the instructions show. Building plates aren't essential; you can build on a table or even the floor. And while it might be nice to know that your blocks will work with other sets in the future, don’t worry about this – focus on enjoying building with the set you’ve chosen.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.