MagBuilder magnetic building blocks feature ABS plastic shells with embedded N52 neodymium magnets. The system includes 24 distinct geometric shapes, allowing you to build a wide variety of magnetic models.
Available as standard products, we also offer OEM and ODM development services tailored to client requirements-covering shapes, set configurations, colors, magnetic specifications, branding, and packaging.
Magnet Array Configuration: N52 Neodymium magnets positioned for 360-degree multi-directional connectivity.
Structural Integrity: Internal geometric grid reinforced to prevent structural warping and casing stress under heavy use.
Surface Durability: High-clarity, scratch-resistant ABS housing built to withstand repeated drop impact.
Dimensional Accuracy: Precision mold tolerances controlled within ±0.1 mm for consistent tile alignment and stacking uniformity.
MagBuilder Magnetic Blocks Specifications
|
Parameter |
Specification |
|
Product Type |
Magnetic Construction Blocks |
|
Housing Material |
ABS |
|
Magnet Material |
Neodymium |
|
Magnet Grade |
N52 |
|
Approx. Magnetic Flux |
5,200 Gauss |
|
Magnet Integration |
Embedded within block structure |
|
Block Forms |
24 geometric forms |
|
Color Options |
16 existing translucent colors* |
|
Tile Dimensions & Weight |
Standard 75mm x 75mm base unit; 12–15g per piece |
|
Thermal Resistance Range |
-20°C to 80°C* |
Customization Options
We deliver component-level manufacturing and customization services for magnetic toy brands, retail distributors, and institutional educational suppliers.
Geometry & Dimensions
• Standard Component Geometries: Capable of producing various core components, including squares (75mm x 75mm), equilateral triangles (71mm x 62mm), isosceles triangles (75mm x 138mm), right-angled triangles (71mm x 71mm), rectangles (75mm x 37.5mm), windows, arches, and wheeled chassis.
• Structural Wall Thickness: Molded housing wall thickness engineered from 1.8mm to 2.2mm with internal structural cross-ribbing to prevent flex and corner cracking under stress testing.
• Custom Mold Tooling: In-house steel mold development for custom geometric shapes, branded accessory frames, or proprietary tile interconnects.
Magnet Configuration
• Neodymium Grade Options: N35, N42, and N52 configurations are available for OEM/ODM programs.
• Magnet Dimensions & Core Counts: 12 × 4 × 2 mm or 10 × 5 × 2 mm magnet cores, with 4–8 cores per block depending on the block geometry.
Color & Surface Finish
• Custom Color Matching: Plastic compounding tailored to exact Pantone (PMS) color references, available in solid opaque, high-clarity translucent, fluorescent, or metallic-infused finishes.
• Transparency Options: Standard translucent series, clear crystal series, or frosted diffusion variants.
Set Composition
Piece Counts: 32-piece, 60-piece, 100-piece, and 200+ piece set configurations.
Form Assortment: Quantity and combination of square, triangle, window, fence, and accessory components can be specified by SKU.
Color Distribution: Single-color, multi-color, and specified color-ratio configurations can be developed.
Branding & Surface Marking
Direct Mold Engraving: Debossed or embossed brand logos machined directly into injection mold cavities for permanent, zero-ink surface branding.
Silk-Screen Printing: Non-toxic, wear-resistant ink application for fine-detail logos, geometric pattern overlays, and alphanumeric educational markings.
Laser Marking: Permanent laser-etched logos applied to outer plastic borders or central tile surfaces.
Packaging & Private Label
Packaging Formats: Printed corrugated boxes, rigid boxes, PET storage buckets, and drawstring bags.
Internal Inserts: PET trays or EPE inserts for component organization and packaging protection.
Labeling: SKU numbers, barcodes, age-grading information, batch codes, and country-of-origin markings.
Safety Compliance & Quality
MagBuilder magnetic blocks are supported by applicable third-party testing for toy safety, mechanical performance, and material compliance according to the requirements of the target market.
Mechanical Encapsulation & Retention
Neodymium magnets are enclosed within the ABS housing to maintain magnet positioning and block integrity. Magnet retention and applicable mechanical safety requirements are evaluated through relevant product testing.
Certified Regulatory Compliance
• North America: Applicable children's toy SKUs can be tested to 16 CFR Part 1250 / ASTM F963 requirements, with CPC documentation provided for products within the applicable certification scope.
• European Union: Applicable toy SKUs tested to relevant EN 71 requirements and assessed against applicable REACH requirements.
• Material Compliance: RoHS compliance can be supported according to the product configuration and destination-market requirements.



Manufacturing Capacity
Manufacturing Process: MagBuilder production covers ABS injection molding, magnet integration, block assembly, inspection, and finished-set preparation.
Production Equipment: Dedicated injection molding, magnet insertion, assembly, and inspection equipment supports MagBuilder production.
In-House Quality Control Workflow
Raw Material Inspection: Incoming ABS materials and neodymium magnets are checked against approved material specifications.
In-Process Automated Checks: Ultrasonic weld integrity monitoring and automated visual sorting to detect surface imperfections.
Stress & Environmental Testing: Routine drop testing from 1.5-meter heights onto concrete substrates, tensile torque testing, and thermal aging assessments.
Final Inspection: Pre-shipment inspection covers dimensions, magnetic performance, appearance, set quantity, and packaging integrity.
FAQ
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