Secret Tunnel (Avatar: The Last Airbender) — Market vs Foil: which is worth more?
Secret Tunnel (Avatar: The Last Airbender) value — Market $2.27 vs Foil $3.89. Foil sells for 1.71× Market (+71%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$2.27→$3.89
Foil sells for 1.71× (+71%) the Market price — a $1.62 difference per card.
Is complete worth it?
Foil $3.89 vs Market $2.27 — a $1.62 premium (+71%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).