Name: Lock Puzzle
Brand: Professor Puzzle
Price: 69.33 EUR
Availability: InStock

Deliver to Portugal

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🔓 Unlock your inner Einstein — the ultimate brain teaser for sharp minds!

UNLOCK YOUR GENIUS - Challenge your mind with a real sliding lock puzzle designed to test your logic and dexterity.
PERFECT SOLO CHALLENGE - Designed for one player to dive deep into focused problem-solving and creative thinking.
GIFT THE GIFT OF GENIUS - An ideal present for professionals craving a stylish, intellectual break from the daily grind.
NO BATTERIES JUST BRAINPOWER - Eco-friendly, no setup or batteries required—pure mental stimulation anytime, anywhere.
EINSTEIN APPROVED BRAIN WORKOUT - Join the elite thinkers with a puzzle inspired by the legendary Albert Einstein collection.

The Lock Puzzle by Professor Puzzle is a compact, battery-free sliding lock brain teaser inspired by Albert Einstein’s legacy. Crafted from durable plastic and designed for solo play, it sharpens problem-solving skills through a hands-on challenge that blends creativity with logic. Perfect for professionals seeking a sophisticated mental escape or a unique gift that stands out.

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.

€ 69.33

Duties & taxes incl.

Portugalstore

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30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews

Educational Objective(s)	Problem Solving Skill
Language:	English
Model Number	Einstein's
Number of Game Players	1
Number of Puzzle Pieces	1
Assembly Required	No
Batteries Required	No
Batteries Included	No
Material Type(s)	Plastic
Colour	Yellow
Product Dimensions	4 x 15 x 14.6 cm; 63.5 g
Item model number	Einstein's
Manufacturer	PROFESSOR PUZZLE
Country of Origin	USA
Item Weight	63.5 g

Lock Puzzle

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