tinkering

Example:He spent the afternoon fiddling with the car engine to see if he could improve its performance.

Definition:the act of making or altering something in a mild, experimental, or haphazard way.

Example:The kids’ tinkering and experimenting with household items led to a hilarious but enlightening afternoon.

Definition:the process of carrying out a procedure in order to discover something new or to test a hypothesis.

Example:She enjoyed the tinkling sound of her wind chimes in the spring breeze.

Definition:the act of producing a gentle, ringing sound or tinkling, often in a playful or fancy way, especially with small pieces or in various settings.