Cubelets are the gold standard for tactile STEM. Most 'coding' toys for kids are just glorified remote-control cars or require a tablet to do anything interesting. Cubelets are different. They turn abstract logic into something you can hold in your hand.

Yes, they are expensive. You are going to look at a box of six plastic cubes and wonder why they cost as much as a Nintendo Switch. But if you want a toy that actually builds a mental model of how systems work—without sticking your kid in front of another screen—this is the one to get.