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!

  • MODULAR SLIDE HOME

    MODULAR SLIDE HOME

    Sold out
    Regular price
    ¥1,699
    Sale price
    ¥1,699
    Regular price
    Unit price
    per 
    Sale Sold out New Free shipping
  • CURVED SLIDE HOME

    CURVED SLIDE HOME

    Sold out
    Regular price
    ¥2,399
    Sale price
    ¥2,399
    Regular price
    Unit price
    per 
    Sale Sold out New Free shipping
  • UPGRADE KIT HOME

    UPGRADE KIT HOME

    In stock
    Regular price
    ¥2,099
    Sale price
    ¥2,099
    Regular price
    Unit price
    per 
    Sale Sold out New Free shipping
  • PANEL SET L HOME

    PANEL SET L HOME

    Sold out
    Regular price
    ¥539
    Sale price
    ¥539
    Regular price
    ¥45.90
    Unit price
    per 
    Sale Sold out New Free shipping
  • PANEL SET XXL HOME

    PANEL SET XXL HOME

    Sold out
    Regular price
    ¥879
    Sale price
    ¥879
    Regular price
    ¥77.33
    Unit price
    per 
    Sale Sold out New Free shipping
  • CURVED TUBE SET HOME

    CURVED TUBE SET HOME

    Sold out
    Regular price
    ¥699
    Sale price
    ¥699
    Regular price
    ¥70
    Unit price
    per 
    Sale Sold out New Free shipping

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