Milestoneunknown· 3y–3.5y

Makes mechanical toys work (for example, toys with buttons, levers, and moving parts)

Makes mechanical toys work (for example, toys with buttons, levers, and moving parts)

Unknown

What the research says

Framework evidence being indexed.

Full quotes, source languages, and document links coming soon as we finish the source-evidence indexing pass.

Normative evidence

1 source back this milestone. The bars below show the age range each source covers.

This milestone3y–3.5yStanford SHQ0mo–6y012243648607284months
Milestone windowNormative study
The coral bar shows this milestone's typical age window. The bars below show the age coverage of each backing source.
Stanford SHQ →

What mastery looks like

Not yet

Shows no attempt to makes mechanical toys work (for example, toys with buttons, levers, and moving parts)

  • Shows no attempt to makes mechanical toys work (for example, toys with buttons, levers, and moving parts)
  • No observable behavior matching this milestone
Emerging

Occasionally or inconsistently makes mechanical toys work (for example, toys with buttons, levers, and moving parts)

  • Occasionally or inconsistently makes mechanical toys work (for example, toys with buttons, levers, and moving parts)
  • Requires significant support or prompting
Developing

Frequently makes mechanical toys work (for example, toys with buttons, levers, and moving parts) with some support

  • Frequently makes mechanical toys work (for example, toys with buttons, levers, and moving parts) with some support
  • Shows the behavior in familiar contexts
Secure

Consistently makes mechanical toys work (for example, toys with buttons, levers, and moving parts) across contexts

  • Consistently makes mechanical toys work (for example, toys with buttons, levers, and moving parts) across contexts
  • Performs independently without prompting
Reflexive

Readily makes mechanical toys work (for example, toys with buttons, levers, and moving parts) and extends the behavior

  • Readily makes mechanical toys work (for example, toys with buttons, levers, and moving parts) and extends the behavior
  • Shows flexibility and adaptation in approach

Activities for this (1)

Thinking2.2y–3.3y

Think It Through

Parent runs structured play observations targeting shape recognition, spatial reasoning, counting, comparison, block building, peg tasks, rhythm tapping, and mechanical toy operation. Covers twenty cognitive problem-solving milestones at 28-38mo.

Formal assessments

No matching assessment items indexed yet.

Standardised assessment view

1 instrument measure this construct. The construct page shows how each one approaches it and at what age range.

View as assessment construct →