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STEM Mechanical Puzzle Kits: Build a 3D Wooden Music Box

Engineering Kit: Mechanical | Structural & Architecture | Electrical & Civil

Material: Wood

Part of the 3D Wooden Music Box Puzzle Kits for Teens and Adults

Build a 3D wooden music box with this STEM mechanical puzzle kit that teaches gears, motion, and engineering fun.


STEM Mechanical Puzzle Kits: Build a 3D Wooden Music Box

3D Wooden Music Box-Themed Puzzle Kits Part 1



Output: 1:5 scale vintage cello model

Hands-on Assembly: 199 pieces, assembly time estimated 4.5 hours

Level: Advanced

Age: 14+

Subject Matter: Gear transmission, kinetic energy conversion, sound vibration, mechanical motion principles

Skills Taught: Concentration Skill, Creative Thinking, Motor Skill, Problem-Solving Skill

Unique Features:

  • Plays “Nocturne, Op.9, No.2 in E-flat”

  • Gear-driven, wind-up spring mechanism (no electricity or batteries required)

  • No-glue assembly using mortise and tenon joints

  • Decorative and functional music box for display

  • Size L* W* H*: 9.2 x 8.1 x 7.3 inches


Output: 1:20 vintage piano model

Hands-on Assembly: 223 pieces, assembly time estimated 4.5 hours

Level: Advanced

Age: 14+

Subject Matter: Gear transmission, kinetic energy, sound production, mechanical automation

Skills Taught: Color Recognition, Creative Thinking, Memory Skill

Unique Features:

  • Plays “Variations on the Canon”

  • Gear-driven, spring-wound mechanism (no electricity or batteries required)

  • Transparent design reveals internal gear movements

  • No-glue assembly using mortise and tenon joints

  • Decorative and functional music box for display

  • Size L* W* H*: 5.5 x 6.7 x 6.6 inches


Output: LED-lit wooden music box

Hands-on Assembly: 184 pieces, assembly time estimated 5.5 hours

Level: Advanced

Age: 14+

Subject Matter: Gear transmission, rotational motion, energy conversion, basic circuitry for LED integration

Skills Taught: Logical Thinking, Problem-Solving Skill

Unique Features:

  • Plays “Falling Flower”

  • The LED light feature is activated by the switch

  • Parachutes rise and fall through gear-driven motion

  • Requires 3 AAA batteries (not included)

  • Includes wax and sandpaper for smoother gear function

  • No-glue, precision laser-cut assembly

  • Spare parts provided for accidental damage or loss

  • Decorative and functional music box for display

  • Size L* W* H*: 5.5 x 5.5 x 11.8 inches


Output: music box featuring rotating mini seats

Hands-on Assembly: 280 pieces, assembly time estimated 5.5 hours

Level: Advanced

Age: 14+

Subject Matter: Gear-driven motion, rotational mechanics, energy transfer, light and sound integration in mechanical systems

Skills Taught: Problem-Solving Skill

Unique Features:

  • Plays “Wind and Moon”

  • Rotating mini seats powered by internal gears

  • Built-in touch switch

  • Requires 3 AAA batteries (not included)

  • No glue required; uses precise mortise-and-tenon laser-cut joints

  • Includes spare parts, sandpaper, wax, and simple assembly tools

  • Decorative and functional music box for display

  • Size L* W* H*: 8.8 x 7.8 x 7.3 inches


Output: cityscape castle model

Hands-on Assembly: 595 pieces, assembly time estimated 8 hours

Level: Intermediate

Age: 14+

Subject Matter: Structural stability, gear-driven motion, architectural design principles, mechanical energy conversion

Skills Taught: Concentration Skill, Creative Thinking, Logical Thinking, Patience Skill, Problem Solving Skill, Spatial Awareness

Unique Features:

  • No-glue mortise-and-tenon assembly for eco-friendly construction

  • Includes spare parts, sandpaper, and wax

  • Step-by-step manual and video instructions included

  • Decorative and functional music box for display

  • Size L* W* H*: 9.84 x 8.26 x 10.86 inches


Output: “Enchanted Castle” model

Hands-on Assembly: 948 pieces, assembly time estimated 12 hours

Level: Intermediate

Age: 14+

Subject Matter: Gear transmission, mechanical motion, kinetic energy, structural stability, and architectural design principles

Skills Taught: Motor Skill, Problem-Solving Skill, Spatial Awareness

Unique Features:

  • Plays a soothing classical melody

  • Functions as a wind-up mechanical music box (no electricity or batteries required)

  • No-glue mortise and tenon joint assembly for durability

  • Includes a clear step-by-step manual for guided construction

  • Decorative and functional music box for display

  • Size L* W* H*: 11.18 x 7.48 x 11.69 inches


Output: a traditional Lotus Pavilion

Hands-on Assembly: 619 pieces, assembly time estimated 6 hours

Level: Advanced

Age: 14+

Subject Matter: Gear-driven motion mechanics, architectural design principles, kinetic energy transfer, mortise and tenon construction

Skills Taught: Patience Skill, Problem Solving Skill, Spatial Awareness

Unique Features:

  • Plays a traditional wind-up melody (spring-driven)

  • No-glue assembly using mortise and tenon joints

  • Includes tools, wax, and sandpaper for smooth assembly and finishing

  • Decorative and functional music box for display

  • Size L* W* H*: 9.17 x 7.95 x 11.18 inches


Output: A jellyfish model

Hands-On Assembly: 595 pieces, assembly time estimated 8 hours

Level: Advanced

Age: 14+

Subject Matter: Mechanical motion, kinetic design, LED circuitry, structural assembly principles

Skills Taught: Dexterity, Hand-Eye Coordination, Patience Skill, Problem Solving Skill, Spatial Awareness

Unique Features:

  • Realistic jellyfish movement simulating swimming motion

  • Integrated LED light system for visual effect (battery-powered)

  • Includes all necessary tools: wax, sandpaper, and spare parts

  • Glue-free mortise and tenon construction for precise fit

  • Detailed video and printed instructions for guided assembly

  • Decorative and functional music box for display

  • Size L* W* H*: 8.58 x 6.77 x 9.84 inches


Output: A rotating wooden Ferris wheel model

Hands-on Assembly: 184 pieces, assembly time estimated 3 hours

Level: Beginner

Age: 14+

Subject Matter: Gear transmission, rotational mechanics, friction-fit engineering, light circuitry integration

Skills Taught: Concentration Skill, Confidence Building, Hand-Eye Coordination, Logical Thinking, Memory Skill, Patience Skill, Pattern Recognition, Problem Solving Skill

Unique Features:

  • Plays a soft built-in melody

  • Wind-up gear mechanism; operates without electricity or batteries

  • Includes warm LED lights for ambient display

  • Friction-fit assembly—no glue or tools required

  • Backup parts provided for delicate components

  • Decorative and functional music box for display

  • Size L* W* H*: 9.4 x 5.5 x 11.3 inches


Output: A playable piano-style xylophone music box

Hands-On Assembly: 228 pieces, assembly time estimated 3 hours

Level: Intermediate

Age: 8+ (recommended adult assistance for younger builders)

Subject Matter: Sound resonance, mechanical motion, rotational energy, musical note sequencing

Skills Taught: Patience Skill

Unique Features:

  • Functions as both a piano-style xylophone and mechanical music box

  • Melody is manually produced by rotating a hand crank—no electricity or batteries required

  • Customizable play: users can adjust or replace wooden chips to create different melodies

  • Laser-cut, non-toxic smooth wooden material for precise fitting

  • Includes music sheets for guided play and creativity

  • Size L* W* H*: 11.8 x 9.8 x 6.69 inches


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