What matters most: Parent behavior, not toy cost
The strongest evidence from these studies shows that the quality of parent-child play—measured by behaviors like encouraging, explaining, and responding warmly—directly shapes the child's development and the parent-child bond, while the specific toys or their price are rarely mentioned as a factor. In a study of 80 families with children aged 18-58 months, researchers found that high levels of encouraging and confirming behaviors during play were linked to high play quality, and this high-quality play was associated with stronger father-child attachment [2]. The study explicitly compared different types of games (physical vs. cognitive) and found that the type of game, not parent gender, predicted play behaviors—meaning the interaction style mattered more than any material object [2].
Another study of 325 parents confirmed that parents' own beliefs about play and their sense of confidence as parents (parental efficacy) had a direct, positive effect on the quality of parent-child play interactions [4]. This means that a parent who believes play is valuable and feels capable of engaging their child will create higher-quality play moments, regardless of whether the toy is expensive or homemade. The price of a toy does not appear in any of these studies as a variable that influences child outcomes.
Does this hold for children with special needs?
Yes, the principle holds even for children with autism spectrum disorder (ASD), though the specific play styles of mothers and fathers may differ. A 2023 study of 72 mother-father pairs of preschoolers with ASD found that mothers used more symbolic play (e.g., pretend play) while fathers used more exploratory play (e.g., manipulating objects), but the child's cognitive functioning impacted maternal play, not paternal play [1]. This suggests that both parents can contribute high-quality interaction, but their natural styles may vary. Critically, the study did not examine toy cost—it focused on the interactive behaviors themselves, reinforcing that the quality of the exchange, not the toy, is what matters for supporting development in children with ASD.
For typically developing children, the evidence is similar. A 2022 study analyzing naturalistic parent-child toy play found that during naming events (when parents label toys), the child's attention was primarily modulated by the size of the toy, not its complexity or cost [5]. This suggests that even simple, large toys can effectively support learning when parents engage in naming and interaction. The key takeaway: an expensive, complex toy is no substitute for a parent who is present, responsive, and playful.
What this means for your playtime
The research is clear: you do not need to spend a lot of money on toys to support your child's development. Instead, focus on your own engagement. The studies highlight that behaviors like encouraging your child, explaining things, confirming their efforts, and surprising them with playful teasing are linked to higher play quality and stronger attachment [2]. Even simple household items or inexpensive toys can be powerful tools if you are actively involved.
One study even looked at toy design for parent-child interaction and emphasized creating a 'quality house model' for interactive toys [3], but this was about design principles, not price. The underlying message across all five papers is that the parent-child relationship and the quality of interaction are the active ingredients in play. So, put away the credit card and instead invest your time and attention—that is what the evidence shows truly makes a difference.
About These Sources
This answer is built on 5 studies (4 peer-reviewed, 1 preprint) — published from 2021 to 2025, 1 from 2024 or later, 1 in Q1 journals — selected as the most relevant from 5 studies that passed quality screening, drawn from 33 papers retrieved from a database of over 500 million.
Sources used in this answer
Play with Me: How Fathers and Mothers Play with Their Preschoolers with Autism
In 72 mother-father pairs of preschoolers with autism, mothers used more symbolic play and fathers more exploratory play, but child cognitive functioning impacted maternal play only, not paternal play—highlighting that parent behavior, not toy, shapes interaction quality.
Parent–child play and parent–child relationship: Are fathers special?
In 80 families with children aged 18-58 months, high levels of encouraging and confirming behaviors predicted high play quality, and high-quality play was linked to stronger father-child attachment, regardless of game type or toy.
A study on the design of literacy toy for children with parent-child interactions
This 2025 study on literacy toy design for parent-child interaction focused on creating a 'quality house model' for interactive toys, emphasizing design principles for engagement rather than toy cost.
The Effect of Parents' Play Beliefs and Parental Efficacy on Parent-Child Play Interactions
Among 325 parents, parents' play beliefs and parental efficacy had a direct positive effect on parent-child play interaction quality, meaning a parent's mindset and confidence matter more than the toy.
Quantifying cross-situational statistics during parent-child toy play
In naturalistic parent-child toy play, child attention during naming events was primarily modulated by toy size, not complexity or cost, suggesting simple toys can effectively support learning when parents engage.