Interactive building instructions
STRv3
Smart Transport Robot — a 3D-printed, snap-together model. Scroll to see every part fly into place.
28parts
16steps
20 minbuild time
8+ages
Drag to rotate · scroll to zoom · the model is live
Parts list
28 pieces · 20 part types
Check everything against this list before you start. Click a card to jump to the step where it is used.
Step by step
Build it.
Scroll through the steps — the model on the right follows along. Each new part flies in from the direction you push it. Use ← → to move between steps, space to replay.