Build ideas, from first cube to marble run

Stick translucent tiles flat on a sunny window and let the light do the work. The first build most toddlers do on purpose.

Four walls and a lid folded up from a flat cross shape. Teaching the fold-up is the single most useful trick in the whole toy.

A box with one wall missing, then a second storey. Ramps come free with any long rectangle tile.

Tiles hold to the fridge on their own magnets. Patterns, letters, dinner-time negotiation material.

Square walls, triangle roof. The gateway from boxes to architecture, and the build kids repeat for a year.

A tall square tower with a triangle cone. Stability test for budget tiles; premium magnets go visibly higher.

Angle long channels down a wall of boxes. Purpose-made ball-run packs help but a ping pong ball and patience work.

Flat-plan fences around plastic animals. The build where big cheap tile inventories shine.

Pentagon expansion shapes make a football; without them, an approximation from squares and triangles is a genuine geometry puzzle.

How far can a deck reach off a single tower before it drops? Counterweight the back. Real engineering, real arguments.

Tiles are fast, rebuildable film sets. One phone, one free stop-motion app, one rainy afternoon gone.

Stand tiles in a long spaced line and tip the first one. The reason to own more tiles than seems reasonable.