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Sets
Creator
3 in 1
Kawaii Style Bento Box

31397 LEGO Creator 3 in 1 Kawaii Style Bento Box

LEGO 31397 Kawaii Style Bento Box is a rumored Creator set due in January 2027, with an expected retail price of $29.99. It is one of 8 rumored Creator sets for 2027.

Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.

Kawaii Style Bento Box is a rumored small LEGO Creator 3-in-1 display build that focuses on a Japanese-style lunchbox filled with brick-built food. The main model is expected to use pastel colors with cute smiley-face prints or tiny food details that lean into the "kawaii" angle. Because it is a 3-in-1 set, the parts should also rebuild into two alternate models with their own instructions. Early talk points to those alternates leaning toward other food or desk-style display builds.

Details are based on early reports and may change before LEGO's official announcement.

Collector and Investor Insights

Small Creator 3-in-1 retail sets usually post modest results after retirement, and a food-themed display format needs subject appeal rather than rarity to drive collector interest. The Japanese bento concept and kawaii styling give this set a clearer identity than many lower-priced Creator releases, but broad retail distribution and a small format tend to limit upside unless the design lands unusually well with display-focused buyers.

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For Sale (New/Sealed)

Pre-order 31397 Kawaii Style Bento Box

$29.99

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My Collection

I own this set

I want this set

Set Details

Set number

31397-1

Name

Kawaii Style Bento Box

Theme

Creator

Subtheme

3 in 1

Year

2027

Releasing

January 2027

Availability

Rumored

Pieces

274 (PPP $0.11)

Set Pricing

Retail price

$29.99

Quick Buy

LEGO

Pre-orderBuy

Store price

$29.99

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Retirement pop

+8.82%

Annual growth

+3.62% (first year)

+3.07% (second year)

1 year retired

$33.82Late 2029

5 years retired

$35 - $39

$35

$39

The estimated value of 31397 Kawaii Style Bento Box is projected to range between $35 - $39 within five years of retirement.

Set Facts

Regional Retail Prices (LEGO.com/Store)

United States

$29.99

Europe

€29.99

Subtheme Analysis

Creator / 3 in 1

Sets

252

Years

2006 - 2026

Annual growth

+4.16%

About Creator 3 in 1

Creator 3 in 1 sets come with instructions for three different models from the same bricks, built one at a time. The trick is in the design. Every part has to work in all three models, so the tiger of 31129 Majestic Tiger also builds a panda and a koi fish, and many builders keep the parts from a set as a starter supply of ordinary bricks.

3 in 1 was introduced in 2006 and currently consists of 252 sets. As of today, 4997 Transport Ferry is the most valuable 3 in 1 set with an estimated new/factory sealed value of $312.

Region · United States (USD)

Theme · Light

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