Watch the flash. Tap the same colours first-to-last. Length grows; two misses ends the run.
How it works
Watch the flash. Tap the same colours first-to-last. Length grows; two misses ends the run. Lab colour spans use calibrated patches. These web swatches are not a visuospatial IQ.
⬛ Corsi Blocks — Forward Tap Span🎨 Simon Span — Color Sequence Memory🔷 Shape Span Lite — Forward Shape Sequence🚶 Path Memory Lite — Replay the Route
❓ FAQ
Is this Corsi with colour?Related family, different URL. Corsi-blocks lite is positions on a board-like grid.
Colour-blind?Swatches also differ in brightness. Still not a credential. See the locale notes.
Does a long colour span equal IQ?No. This site never prints a clinical IQ from a toy.
📅 Last updated: 2026-08-27 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology