Collection: Extensions

QUADRO extensions add fun features to your construction kit. Add a slide for a fast way down. Use wheels to build vehicles. The possibilities are endless!

  • Upgrade Kit Home

    In stock
    Regular price
    ¥2,099
    Sale price
    ¥2,099
    Regular price
    ¥2,099
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Modular Slide Home

    Modular Slide Home

    Coming soon!
    Regular price
    ¥2,049
    Sale price
    ¥2,049
    Regular price
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Curved Tube Set Home

    Curved Tube Set Home

    In stock
    Regular price
    ¥649
    Sale price
    ¥649
    Regular price
    ¥649
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Hole Panel Set S Home

    In stock
    Regular price
    ¥439
    Sale price
    ¥439
    Regular price
    ¥469
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Panel Set S Home

    In stock
    Regular price
    ¥369
    Sale price
    ¥369
    Regular price
    ¥399
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Half Panel Set L Home

    In stock
    Regular price
    ¥469
    Sale price
    ¥469
    Regular price
    ¥499
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Curved Slide Home

    Curved Slide Home

    Sold out
    Regular price
    ¥2,899
    Sale price
    ¥2,899
    Regular price
    ¥2,899
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Panel Set L Home

    Sold out
    Regular price
    ¥509
    Sale price
    ¥509
    Regular price
    ¥509
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Hole Panel Set L Home

    Sold out
    Regular price
    ¥659
    Sale price
    ¥659
    Regular price
    ¥53.90
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping
  • Textile Set Home

    Textile Set Home

    Sold out
    Regular price
    ¥629
    Sale price
    ¥629
    Regular price
    ¥629
    Unit price
    per 
    Sale Sold out Pre-Sale Free shipping

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