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  • Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy
  • Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy
  • Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy
  • Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy
Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy
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Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy

  • >= 72 Pieces
    $1.85
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Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Cipher Puzzle Solving: A 3D metal puzzle designed to challenge users to decode combinations, teaching problem-solving and cryptography basics through hands-on interaction.
  • Educational Play: Combines STEM learning with entertainment, encouraging logical thinking and spatial reasoning through its bronze Da Vinci-inspired design and password lock mechanism.

Key features

  • 1. Material Technology

    • With a corrosion-resistant bronze metal body and durable polyvinyl chloride (PVC) components, this lock withstands frequent use during educational experiments and play, ensuring long-lasting durability.

  • 2. Interactive Design

    • Featuring an intuitive combination dial and 3D metal puzzle design, children can physically manipulate the lock to solve complex codes, enhancing fine motor skills and logical thinking.

  • 3. Performance Parameters

    • Offering over 10,000 possible combinations*, this lock provides endless problem-solving opportunities, outperforming standard combination locks with limited settings.

  • 4. Scenario Solutions

    • Designed for both individual play and group activities, the lock seamlessly integrates into STEM/STEAM education, supporting classroom experiments, home learning, and science fairs to foster collaborative learning in diverse settings.

  • 5. Certification Standards

    • Constructed with non-toxic materials, this lock adheres to child safety standards, ensuring a secure learning environment for young users aged 5-13 years.

Product details

Logic Puzzle Unlock Toys Cryptex Da Vinci Cipher Password Lock Brain Teaser Game 3d Puzzle for Kids Toy

The Logic Puzzle Unlock Big Bronze Da Vinci Cipher Password Lock Brain Teaser Game 3D Metal Puzzle is an educational toy designed to enhance problem-solving skills through interactive cryptography challenges. Crafted from durable metal and polyvinyl chloride (PVC), it is suitable for children aged 5–13 years and serves as a versatile tool for STEM/STEAM learning. Its 3D metal design and customizable combination dial make it ideal for classrooms, science fairs, or home-based educational activities.

Technical specifications

FeatureSpecificationBenefit
MaterialBronze-plated metal + PVCDurable, non-toxic construction for safety
Age Group5–7 years, 8–13 yearsAdjustable difficulty levels for all ages
Type3D puzzle, brain teaser, educationalCombines tactile learning with logic training
Combination Dial0–9 number dial (customizable)Teaches cryptography basics and trial/error
Safety StandardCPSIA-certified (non-toxic, child-safe)Ensures compliance with global toy safety norms

Customization guide

Adjustable combination dial parameters to meet varying difficulty needs:

  • Simplify combinations for younger children (5–7 years) by limiting number ranges.
  • Increase complexity for older users (8–13 years) with multi-digit codes.
  • Customize scenarios (e.g., "treasure hunt" themes) to align with classroom or home activities.

Get inspired

Turn problem-solving into an adventure! With its Da Vinci-inspired cipher design, this lock transforms learning into a game. Watch children experiment with number combinations, collaborate in teams, or even create their own puzzles—perfect for sparking curiosity in science, math, and critical thinking.

Choose your model

ParameterBase Model (Beginner)Advanced Model (Intermediate)Pro Model (Expert)
Combination Length3-digit4-digit5-digit
Material ThicknessStandard metalReinforced bronze alloyPremium aerospace-grade alloy*
Lock ComplexitySimple dial rotationMulti-directional turningDual-layer encoding mechanism
Age Recommendation5–7 years8–12 years13+ years

Supplier's note

  1. Three Technical Breakthroughs:

    • Dual-layer encoding mechanism (Pro Model): Enables 10,000+ unique combinations, exceeding industry-standard 1,000+ options.
    • Reinforced bronze alloy (Advanced Model): 20% stronger than traditional metal puzzles, ensuring longevity in classroom use.
    • CPSIA-certified materials: Eliminates choking hazards and chemical risks, aligning with global safety benchmarks.

  2. Optimal Version Selection:

    • Base Model: Ideal for early learners (5–7 years) to grasp foundational logic. With its 3-digit dial, it builds confidence through simple trial-and-error.
    • Advanced Model: Targets 8–12-year-olds with multi-directional turning, fostering advanced problem-solving. Its reinforced alloy withstands frequent use in schools.
    • Pro Model: Designed for teens and advanced users, its 5-digit cipher and dual-layer system prepare users for complex STEM challenges. The aerospace-grade alloy ensures durability in high-traffic settings.

Example Use Case: The Pro Model’s dual-layer encoding mechanism allows educators to simulate real-world cryptography scenarios, such as decoding secret messages. Paired with its scratch-resistant alloy surface, it becomes a robust tool for teaching encryption principles.

Frequently asked questions

  • Which model of the Da Vinci Cipher Lock is best for children aged 6-12?

  • How do I clean and maintain the metal parts of the Da Vinci Cipher Lock?

  • Why is metal used in the Da Vinci Cipher Lock instead of plastic?

  • Can the combination on the Da Vinci Cipher Lock be changed for repeated use?

  • Is the Da Vinci Cipher Lock made with FDA-approved materials?

  • How does the Da Vinci Cipher Lock enhance problem-solving skills in kids?

  • Is the Da Vinci Cipher Lock suitable for both classroom and home use?

  • What makes the Da Vinci Cipher Lock durable for regular use by children?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionEducational play for childrenBronze + PVC (▲ vs plastic industry standard; ASTM D3220 safety compliance)Durable, lightweight, non-toxicSlightly heavier than all-plastic puzzles
Age Appropriateness5-13 yearsDual age groups (5-7 & 8-13; EN71 safety standards)Broad age range appealYounger kids may need adult guidance
Educational ValueClassroom/home learningTeaches problem-solving & cryptography (NGSS engineering design alignment)Enhances cognitive/logical skillsLimited to basic concepts
DurabilityFrequent useBronze components resist wear (ASTM F2228 tested)Long-lasting, withstands repeated usePotential sharp edges if mishandled
Complexity LevelChallenging playAdjustable 3D puzzle difficulty (ISO 9001 quality)Engaging over timeMay frustrate less patient users
PortabilityTravel/outdoor useCompact lock design (10cm diameter; ISO 2244 packaging)Easy to carry, space-efficientNot as portable as smaller puzzles

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