Ultra-clean Mattel Aquarius Home Computer System in its original retail box – new old stock / new unused open box.

The computer itself is still in its factory plastic wrapping and shows no signs of use. Includes original styrofoam inserts, manuals and paperwork, power supply and “Aquarius” cassette tape.

Key details

• Brand: Mattel Electronics / Radofin

• Model: Aquarius Personal Computer 5931R

• Era: Early 1980s 8-bit home computer

• Condition: Open box – new unused (computer still wrapped)

• Region: Bilingual French/English “Système d’ordinateur domestique” box (Canadian release)

• Included:

• Aquarius computer (still in factory plastic)

• Original power supply

• Original styrofoam inserts and inner box

• “Aquarius Guide to Home Computing” spiral-bound manual

• Warranty / special notice paperwork

• Aquarius accessory brochure

• Aquarius cassette tape with bundled games

• Original retail box

Condition notes

• Computer and power supply appear unused; no wear to keycaps or case visible through the plastic.

• Box shows light storage wear (minor edge/corner rubs, small creases) from 40+ years of storage.

• Styrofoam inserts are intact.

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