Short answer: from around age 5, children are ready for toys that demand planning and persistence — bigger builds, complex train layouts, detailed art projects — and for structures that support independent physical play.
What changes at school age
School-age children bring patience, fine motor control, and a much longer attention span to play. They can follow multi-step plans, build for hours, and persist through frustration to a finished result. Toys that reward that effort are the ones that get played with.
Bigger builds and layouts
Large train sets and tables, complex building kits, and multi-piece playsets give school-age kids a project with a real payoff. They also support the STEM-adjacent skills of planning, testing, and improving.
Independent creative work
Detailed art materials, magnetic boards, and project-style craft supplies let school-age kids work independently and finish something they are proud of. Look for supplies they can manage without constant adult help.
Physical play that still matters
Climbing sets and active-play structures remain valuable — they build strength and confidence and burn off the energy that school days don't. Choose structures with weight limits and configurations that still suit a growing child.
Follow the interests
By age 5, children have strong opinions. A toy that supports an existing passion — trains, art, climbing, pretend play — will be loved; a generic toy for "kids this age" often is not. Let their interests lead the purchase.