LEGO 42666 Cat Birthday Party & Tree House

Released 2025 · 321 pieces · 2 minifigures · Friends

• Estimated value: $34 (modelled from piece count, era, and age — not live market data)

Full details, the price breakdown, and the minifigures included are below. Add it to your collection to track what it's worth.

• 11¢ per piece — cheaper per piece than most Friends sets

Minifigures: Paisley - Bright Light Yellow Top, Medium Lavender Skirt, Leo - Red Shirt, Yellow Shorts

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