Building a Mystery-Box Squishy Program: Rarity Tiers, Case Packs and Checklists

Published 2026-09-06 on request · by Seajoy Squishy team

Building a Mystery-Box Squishy Program: Rarity Tiers, Case Packs and Checklists — squishy wholesale guide

Case structure

Twelve or fourteen boxes per case with common, rare and ultra-rare finishes (glitter, transparent, glow).

Checklist card

A printed checklist inside each box drives collecting and trading.

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Wholesale minimums

Order by full case; mixed cases across shape families are possible.

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Compliance

Every design in the case needs the same test coverage; the CPC lists them all.

Source: U.S. CPSC recall notices of 3 Sept 2026 and 16 CFR 1250.4 (Federal Register, 12 Dec 2025).