# LEGO Ninjago: Ready, Players? (9781913399023-1) — resale value

Source: JunkPal price guide — https://junkpal.ai/products/lego-9781913399023-1

**LEGO Ninjago: Ready, Players? (9781913399023-1)** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/lego-9781913399023-1

Values are medians of real closed eBay sales, updated 2026-06-24. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Ninjago%2520Ready%2520Players%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Ninjago%2520Ready%2520Players%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | LEGO |
| Set Number | 9781913399023-1 |
| Theme | Activity Books with LEGO Parts |
| Year | 2020 |
| Pieces | 8 |

## FAQ

**Is this LEGO Ninjago Activity Book rare?**

As a 2020 release, it is not extremely rare, but its theme makes it a unique find for Ninjago fans.

**How many pieces does this activity book set include?**

This set, numbered 9781913399023-1, contains 8 pieces.

**What is the theme of this LEGO set?**

The theme is Activity Books with LEGO Parts, featuring the LEGO Ninjago line.

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Full price guide: https://junkpal.ai/products/lego-9781913399023-1
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-24, based on real sold listings (junkpal.ai)"