Do Puzzles and Building Blocks Make Kids Better at Math? What the Research Says

Quick answer: Yes, there is good evidence that puzzles and building blocks support the skills behind early math. Children who play with puzzles, blocks and construction toys more often tend to have stronger spatial skills (the ability to picture, rotate and fit shapes together in the mind), and spatial skills are closely linked to early math. The research shows a strong association rather than a magic effect, and the way adults play along matters as much as the toy itself.

What are spatial skills, and why do they matter for math?

Spatial skills let a child understand where things are and how shapes relate to each other: turning a puzzle piece until it fits, seeing that two triangles make a square, or copying a tower from a picture. These abilities are not a side topic. Researchers consider spatial thinking a foundation for number sense, geometry, measurement and, later, science and engineering. That is why scientists have spent years asking whether everyday play with puzzles and blocks helps children build them.

What did the puzzle study find?

A team at the University of Chicago led by psychologist Susan Levine filmed 53 families at home for 90 minutes every four months, six times in total, while their children were between 26 and 46 months old. They then measured each child's ability to mentally rotate and combine shapes at 54 months. In the published study in Developmental Psychology, children who played with puzzles did better on this spatial task than children who did not, and among puzzle players, playing more often predicted better scores. The link held after controlling for parents' income, education and how much they talked overall.

Two details are especially useful for parents. First, the quality of puzzle play mattered: more challenging puzzles and more parent engagement went with stronger results. Second, boys in the study tended to be given harder puzzles and hear more spatial words than girls. The researchers' advice is simple: offer girls and boys the same level of challenge and the same rich spatial talk.

Do building blocks help with early math too?

Researchers from the University of Delaware and Temple University asked 102 three-year-olds to copy small structures built from interlocking blocks, then tested their early math (from counting up to simple adding and subtracting). In the study, published in Child Development, children who were better at block assembly were also better at math, and spatial skill explained a significant share of the differences in math performance on its own.

The same study found that by age 3, children from lower-income homes were already behind in block-building skills, and their parents reported using fewer spatial words. Because blocks are affordable and fun, the authors suggest they are an easy way to give every child more of these experiences.

Does this hold in a large, representative group of children?

Small studies can be misleading, so a larger sample matters. Jamie Jirout and Nora Newcombe analysed data from 847 children aged 4 to 7 who took part in the standardisation of a widely used intelligence test (the WPPSI-IV). In their paper in Psychological Science, children whose parents reported frequent play with puzzles, blocks and board games had higher scores on a block-design task, even after accounting for other cognitive abilities. Other activities, such as drawing or riding a bike, did not show the same specific link. That suggests the benefit comes from spatial play in particular, not just from being busy.

Is it proof that puzzles make children smarter?

Not quite, and it is worth being honest about this. Most of these studies are observational: families choose how much to play, so puzzle-loving homes may differ in other ways. The authors themselves call for more experiments to confirm cause and effect. What the evidence does support is narrower and still valuable:

• Spatial play is consistently linked to stronger spatial skills.
• Spatial skills are consistently linked to math achievement.
• Spatial skills can be improved with practice, so frequent, playful practice is a low-cost, low-risk habit.

The American Academy of Pediatrics' clinical report The Power of Play reaches a similar conclusion: hands-on play with caring adults supports language, math and social skills.

How much puzzle and block play is enough?

There is no official "dose", but the research points to frequency and challenge. In the large US sample, the clearest advantage was seen in children who did spatial play more than six times a week. A good rule of thumb is a short session most days (10–20 minutes is plenty for toddlers) that is slightly hard but not frustrating.

Age-by-age ideas

• Ages 1–2: chunky shape sorters, stacking cups, 2–4 piece knob puzzles. Name shapes and positions as your child plays.
• Ages 2–3: simple jigsaws (4–12 pieces), large blocks, shape-matching games. Ask "Can you turn it another way?"
• Ages 3–5: magnetic tiles, copying a simple model, pattern boards, 12–30 piece jigsaws, early board games.
• Ages 5–7+: 3D builds from pictures, tangrams, larger jigsaws, maps and treasure hunts.

7 ways to make puzzle and block time count

1. Use spatial words: above, below, between, corner, edge, rotate, flip, bigger, curved, straight.
2. Raise the challenge gradually: once a puzzle is easy, move up in pieces or complexity.
3. Build from a model: copying a picture or your tower trains the exact skill measured in studies.
4. Talk through strategy: "Let's find all the edge pieces first."
5. Give girls and boys the same challenge and the same encouragement.
6. Count while you build: "How many blocks tall is it?" links space and number.
7. Let them lead: curiosity keeps play frequent, and frequency is what the research rewards.

Toys that encourage spatial play

At Mykiddocare we choose toys that invite this kind of thinking. Explore our puzzles, the open-ended Magnetic Tiles, the Shape Matching Game, Magnetic Sticks and the Wooden Dress-Up Puzzle, or browse the full Montessori toys collection.

Frequently asked questions

At what age should children start puzzles?

Simple knob and shape puzzles can start around 12–18 months. The Chicago study observed puzzle play from about 26 months, and benefits were linked to play between ages 2 and 4.

Are puzzles or blocks better?

Both are linked to spatial skills. Puzzles train fitting and rotating flat shapes; blocks add 3D building and copying models. A mix gives the broadest practice.

Do girls benefit as much as boys?

Yes. The research suggests differences come mostly from how much challenging spatial play and spatial talk children receive, which parents can equalise.

Can puzzle apps replace physical puzzles?

The studies above measured hands-on play. Physical pieces add touch and movement, and health bodies such as the WHO recommend limiting screen time for young children, so real puzzles are the safer first choice.

References

• Levine, S. C., Ratliff, K. R., Huttenlocher, J., & Cannon, J. (2012). Early puzzle play: A predictor of preschoolers' spatial transformation skill. Developmental Psychology, 48(2), 530–542. PMC3289766
• Verdine, B. N., Golinkoff, R. M., Hirsh-Pasek, K., Newcombe, N. S., Filipowicz, A. T., & Chang, A. (2014). Deconstructing building blocks: Preschoolers' spatial assembly performance relates to early mathematical skills. Child Development, 85(3), 1062–1076. doi:10.1111/cdev.12165
• Jirout, J. J., & Newcombe, N. S. (2015). Building blocks for developing spatial skills: Evidence from a large, representative U.S. sample. Psychological Science, 26(3), 302–310. doi:10.1177/0956797614563338
• Yogman, M., et al. (2018). The Power of Play: A Pediatric Role in Enhancing Development in Young Children. Pediatrics, 142(3), e20182058. doi:10.1542/peds.2018-2058

This article is for general information and does not replace advice from your child's doctor or teacher.