5️⃣ Number Stroop Lite — Value vs Ink Size

A digit appears large or small. Tap the numeric value, ignoring physical size. Congruent and incongruent trials. Original toy — not a copyrighted Stroop bank and not an IQ.

IQ Test › Brain Tests & Games › Number Stroop Lite — Value vs Ink Size

Tap the number’s value, not how big it looks. About 20 trials.

How it works

Tap the number’s value, not how big it looks. About 20 trials. Size-value conflict is a research cousin of Stroop. Web hits are not a clinical IQ.

🌈 Stroop Test 🔠 Size Congruence Lite — Which Digit Is Numerically Larger ↔️ Flanker Lite — Center Arrow 🟢 Go/No-Go Practice — Press vs Withhold

📅 Last updated: 2026-08-27 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology

📚 Sources & references