There’s no explanation as to what you do with this. What is the challenge?

This is a puzzle box. It comes locked, and the challenge is to find how to open it.

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🧠 Crack the code, claim your genius moment!

HIDDEN TREASURE INSIDE - Use the secret slot to stash cash or gift cards, making every solve a rewarding experience.
UNLOCK ANCIENT SECRETS - Decode the 4-slider puzzle inspired by Roman book-binding tech for a hidden compartment reveal.
EMPOWERMENT THROUGH PLAY - Created by a woman-owned brand supporting young adults with autism, combining purpose with premium design.
TACTILE VINTAGE ELEGANCE - Crafted from quality wood, it blends historical charm with modern mental challenge—no batteries needed.
SMART GIFT FOR FUTURE LEADERS - Perfect for ages 8+, this brainteaser sharpens problem-solving skills while doubling as a stylish desk display.

Project Genius True - Caesar's Codex is a compact, wooden brainteaser puzzle inspired by ancient Roman book-binding. Featuring a 4-slider code mechanism, it challenges users aged 8+ to unlock a secret compartment perfect for hiding small treasures. This no-battery, single-player puzzle doubles as a stylish desk accessory and supports a woman-owned business dedicated to social impact.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

ƒ159

Duties & taxes incl.

Sint Maartenstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Product Dimensions	16.99 x 15.49 x 5.38 cm; 236 g
Manufacturer recommended age	8 years and up
Item model number	TG423
Educational Objective(s)	Problem Solving Skill
Language:	English
Number of Game Players	1
Number of Puzzle Pieces	1
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Wood
Color	Multi
ASIN	B08XC55W3B

Project Genius True - Caesar's Codex Brainteaser Puzzle

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