On the bench · not built yet

Shape Courtroom

Put a shape on trial: is a square a rhombus? Present the evidence (sides and angles) to the jury.

Nearby on the shelf

Each lock takes an expression; parentheses move to make the right code. Teams decide where to put them.

Two snails follow different rules; plot their positions and see their relationship on the coordinate grid.

Zoom from a galaxy to an atom by powers of ten; the decimal point slides as you go.