Every piece is designed by Sander van de Bor of California STEAM in Stockton, California, and made with a production partner. All LED pieces recharge over USB-C. Buy through our Etsy shop. Pieces that are also in stock on Tindie or Lectronz have a button for each.
PhiLink lets you send your own patterns from a phone or computer screen. It only works with Fibonacci 2.0 earrings and Amoracci shipped after October 2026: see PhiLink. Instructions for each product are on the Instructions page.
Fibonacci earrings
Light-up golden-ratio spirals, 104 LEDs per earring
Pink LED Fibonacci Earrings, USB-C Rechargeable Light Up Earrings, Math Gift
$65
Light-up Fibonacci earrings with 104 pink LEDs on each earring, set in the same spiral pattern nature uses in sunflowers and pinecones. They recharge over USB-C in about 3 minutes and run up to 20 hours.
Instructions & product info
Turquoise LED Fibonacci Earrings, USB-C Rechargeable Light Up Earrings, Math Gift
$65
Light-up Fibonacci earrings with 104 turquoise LEDs on each earring, set in the same spiral pattern nature uses in sunflowers and pinecones. They recharge over USB-C in about 3 minutes and run up to 20 hours.
White LED Fibonacci Earrings, Single Color Light Up Earrings, Rechargeable Techwear
$65
Single-color Fibonacci earrings: 104 white LEDs per earring, set in a golden-ratio spiral. They recharge over USB-C in about 3 minutes and run up to 20 hours.
Instructions & product info
Blue LED Fibonacci Earrings, Single Color Light Up Earrings, Rechargeable Techwear
$65
Single-color Fibonacci earrings: 104 blue LEDs per earring, set in a golden-ratio spiral. They recharge over USB-C in about 3 minutes and run up to 20 hours.
Green LED Fibonacci Earrings, Single Color Light Up Earrings, Rechargeable Techwear
$65
Single-color Fibonacci earrings: 104 green LEDs per earring, set in a golden-ratio spiral. They recharge over USB-C in about 3 minutes and run up to 20 hours.
Orange LED Fibonacci Earrings, Single Color Light Up Earrings, Rechargeable Techwear
$65
Single-color Fibonacci earrings: 104 orange LEDs per earring, set in a golden-ratio spiral. They recharge over USB-C in about 3 minutes and run up to 20 hours.
Red LED Fibonacci Earrings, Single Color Light Up Earrings, Rechargeable Techwear
$65
Single-color Fibonacci earrings: 104 red LEDs per earring, set in a golden-ratio spiral. They recharge over USB-C in about 3 minutes and run up to 20 hours.
UV Purple LED Fibonacci Earrings, Blacklight Glow, USB-C Rechargeable Rave Jewelry
$65
Fibonacci earrings with 104 UV LEDs per earring that make fluorescent paint, makeup and fabric glow. You see a soft purple light; anything UV-reactive near you lights up. They recharge over USB-C in about 3 minutes.
Instructions & product infoAmoracci heart earrings
Fibonacci spirals inside a heart
Pink LED Heart Earrings, Amoracci Light Up Heart Earrings, USB-C Rechargeable
$70
Heart-shaped light-up earrings with 91 pink LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 30 hours.
Instructions & product infoWhite LED Heart Earrings, Amoracci Light Up Heart Earrings, USB-C Rechargeable
$70
Heart-shaped light-up earrings with 91 white LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 30 hours.
Turquoise LED Heart Earrings, Amoracci Light Up Heart Earrings, USB-C Rechargeable
$70
Heart-shaped light-up earrings with 91 turquoise LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 30 hours.
Blue LED Heart Earrings, Amoracci Light Up Heart Earrings, USB-C Rechargeable
$70
Heart-shaped light-up earrings with 91 blue LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 30 hours.
Red LED Heart Earrings, Amoracci Light Up Heart Earrings, USB-C Rechargeable
$70
Heart-shaped light-up earrings with 91 red LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 15 hours.
Instructions & product info
UV Purple LED Heart Earrings, Amoracci Blacklight Glow Earrings, Rechargeable
$70
Heart-shaped light-up earrings with 91 UV LEDs each, arranged in Fibonacci spirals inside the heart. They recharge over USB-C in about 6 minutes and run up to 30 hours.
Instructions & product infoAmoracci heart necklaces
The heart pendant on a 20″ chain
Red LED Heart Necklace, Amoracci Light Up Heart Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 red LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 15 hours.
Instructions & product info
White LED Heart Necklace, Amoracci Light Up Heart Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 white LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 30 hours.
Blue LED Heart Necklace, Amoracci Light Up Heart Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 blue LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 30 hours.
Turquoise LED Heart Necklace, Amoracci Light Up Heart Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 turquoise LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 30 hours.
Instructions & product infoPink LED Heart Necklace, Amoracci Light Up Heart Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 pink LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 30 hours.
UV Purple LED Heart Necklace, Amoracci Blacklight Glow Pendant, USB-C Rechargeable
$39
A heart-shaped light-up pendant with 91 UV LEDs arranged in Fibonacci spirals. It recharges over USB-C in about 6 minutes and runs up to 30 hours.
Instructions & product infoDuonacci pendants
Two-color LEDs placed along the golden angle
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Green and Blue LED Spiral Necklace, Duonacci Light Up Pendant, USB-C Rechargeable
$69
A round light-up pendant with 103 two-color LEDs (green and blue) placed along the golden angle, the same geometry as a sunflower head. The colors mix into teal and turquoise. It recharges over USB-C in about 6 minutes and runs up to 16 hours.
Instructions & product info
%20scale(.88)%20translate(-32%20-32)%22%3E%3Cpath%20stroke%3D%22%23ff3b3b%22%20d%3D%22M32%2032A2.25%202.25%200%200%201%2027.5%2032A6.75%206.75%200%200%201%2041%2032A11.25%2011.25%200%200%201%2018.5%2032A15.75%2015.75%200%200%201%2050%2032A20.25%2020.25%200%200%201%209.5%2032%22%2F%3E%3Cpath%20stroke%3D%22%232d8bff%22%20transform%3D%22rotate(180%2032%2032)%22%20d%3D%22M32%2032A2.25%202.25%200%200%201%2027.5%2032A6.75%206.75%200%200%201%2041%2032A11.25%2011.25%200%200%201%2018.5%2032A15.75%2015.75%200%200%201%2050%2032A20.25%2020.25%200%200%201%209.5%2032%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E "Red and blue"){kind=small}
Red and Blue LED Spiral Necklace, Duonacci Light Up Pendant, USB-C Rechargeable
$69
A round light-up pendant with 103 two-color LEDs (red and blue) placed along the golden angle, the same geometry as a sunflower head. The colors mix into pinks and purples. It recharges over USB-C in about 6 minutes and runs up to 12 hours.
Instructions & product infoSpinning and art earrings
Holiday spinners, rockets and more
%20scale(.88)%20translate(-32%20-32)%22%3E%3Cpath%20stroke%3D%22%23ff3b3b%22%20d%3D%22M32%2032A2.25%202.25%200%200%201%2027.5%2032A6.75%206.75%200%200%201%2041%2032A11.25%2011.25%200%200%201%2018.5%2032A15.75%2015.75%200%200%201%2050%2032A20.25%2020.25%200%200%201%209.5%2032%22%2F%3E%3Cpath%20stroke%3D%22%232ee66a%22%20transform%3D%22rotate(180%2032%2032)%22%20d%3D%22M32%2032A2.25%202.25%200%200%201%2027.5%2032A6.75%206.75%200%200%201%2041%2032A11.25%2011.25%200%200%201%2018.5%2032A15.75%2015.75%200%200%201%2050%2032A20.25%2020.25%200%200%201%209.5%2032%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E "Red and green"){kind=small}
Red and Green LED Spinning Earrings, Rechargeable Light Up Christmas Earrings
$45
Round light-up earrings with 12 red and 12 green LEDs on each earring (48 per pair) that spin, chase and blend. They recharge over USB-C in 3 minutes and run up to 30 hours.
Instructions & product info
Red and Blue LED Spinning Earrings, Rechargeable Light Up Earrings, 4th of July
$45
Round light-up earrings with 12 red and 12 blue LEDs on each earring (48 per pair) that spin, chase and blend. They recharge over USB-C in 3 minutes and run up to 30 hours.
Instructions & product info
Light Up Rocket Earrings, Animated LED Flame, USB-C Rechargeable Space Jewelry
$95
Rocket earrings with a glowing purple window and a flame of four LEDs that flickers like a real launch. They recharge over USB-C in about 3 minutes and run up to 24 hours.
Instructions & product infoCircuit board earrings (do not light up)
Real PCB jewelry for engineers and coders
Circuit Board Tree of Life Earrings, PCB Jewelry, Gift for Programmer or Engineer
$12
Decorative Tree of Life earrings cut from real printed circuit boards. The copper traces form the roots and branches. These earrings do not light up.
Instructions & product info
Spiral Circuit Board Earrings, Gold PCB Jewelry, Gift for Engineer or Coder
$9
Spiral earrings made from real gold-finished printed circuit boards with exposed silkscreen markings that only an engineer would love. These earrings do not light up.
Instructions & product info