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⚠ Retiring soon Mystery Castle
Hidden Side

Mystery Castle

📦 Set #70437 🧱 1,035 pieces 📅 Released 2020
💡 This Hidden Side set is approaching retirement — once it's gone from Canadian retailers, prices will likely surge on the secondary market.
✓ Best Canadian price today
$99.99
at Chapters Indigo
🏪 Compare all Canadian retailers
Amazon.ca
$99.99 BEST PRICE →
Walmart Canada
$103.23 →
Chapters Indigo
$110.43 →
Toys R Us Canada
$112.80 →
Best Buy Canada
$113.97 →

Prices last verified May 02, 2026. Click any retailer to check the current price. As an Amazon Associate, BrickNorth earns from qualifying purchases.

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