Berty’s Parcel Bridge

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Join two pegs to add a beam.

A little delivery. Your big idea.Join two pegs to add a beam.
What will hold the middle up?

Join two pegs to add a beam.

Wood used2 wood units
For grown-ups · what the bridge is doing

This is a small construction toy, not an engineering tool. It calculates forces through joined beams and checks stretching and buckling limits under the moving load. Lines crossing between pegs are not connected; beams meeting at a peg are. Deflection is gently exaggerated so you can see it. Reduced motion removes that extra movement.

No timers to beat, lives, accounts or purchases. This workshop keeps your bridge while this page is open; reloading or leaving starts a fresh visit. A failed test never removes your beams.

Finish and return to Woodland Play →