Juniper and the
Red Swoosh
By Chi-Hoon Kim and Juniper Eisenberg
Designed and produced by
Clovernook Center for the Blind & Visually Impaired and Mountain Lakes Public Library Makerspace
Introducing Juniper and the Red Swoosh:
an accessible book with large print, Braille, and audio narration.
The book is accompanied by a 3D-Click™, a 3D printed abacus that provides haptic and auditory feedback.
Produced in collaboration with
Mountain Lakes Public Library Makerspace and Clovernook Center for the Blind & Visually Impaired
All trademarks associated with the trade name, "3D-Click" are solely owned by the Mountain Lakes Public Library.
Launching May 2025
Juniper, a nine-year-old girl with a vision impairment, sets out to Corn Market to buy kernels to make popcorn. In front of the market, she encounters a red creature that is swooshing out with a bag of coins totaling 100 cents.
Juniper works with Ms. Maize, the shop owner, to remediate the theft. Along the way, Juniper uses her 3D-Click™ abacus to keep track of the coins she retrieves and teaches readers how to add using the abacus.
This interactive book provides step-by-step instructions for readers to follow Juniper as she sets her abacus to tally the coins.
About the Authors
Photography by Erina McSweeney
Juniper Eisenberg:
Juniper is a brave, fun-loving explorer. Her favorite subject is math and she enjoys using her abacus to solve problems about money. She loves all colors except orange and has a soft spot for pigs and goats. When she is not coming up with jokes, you can find her practicing her parkour moves. Juniper lives in New York City with her parents.
Chi-Hoon Kim:
Chi-Hoon is Juniper’s mother and an academic who holds a PhD in anthropology with a concentration in food studies. She embarked on the adventure to learn Braille and other non-visual skills when Juniper was born. Her mission is to raise awareness about accessible tools and accommodations to empower children with vision impairments.
This project came to life thanks to our incredible collaborators who championed Juniper’s mission to raise awareness about the abacus as a calculation tool for people with vision impairments.
We would like to recognize Ian Matty, Samuel Foulkes, Mike Winegardner, Jennifer Hegelein, Richard He, Quentin Roa, Brennen Kinch, and the Scripps Howard Fund for believing in Juniper’s vision.
We collaborated with Clovernook Center for the Blind & Visually Impaired and Mountain Lakes Public Library Makerspace to design and produce an accessible book featuring a lightweight, portable, ergonomic, and high contrast 3D printed abacus that we named 3D-Click™. This innovative universally designed abacus features an inventive rod and bead system where the beads are clicked into position to provide haptic and auditory feedback.
Collaboration Credits
Introducing 3D-Click™:
A Universally Designed 3D printed Abacus
Inspired by the Cranmer Abacus, an adapted abacus for people with vision impairments.
An abacus is an ancient calculation device used around the world. It features a frame holding an arrangement of slidable beads on rods. It is a tool that helps people visually and tactilely add, subtract, multiply, and divide numbers. Just as typically sighted people use pen and paper to solve math problems, those with vision impairments can use an adapted abacus to keep beads in place. In 1962, Terence Cranmer invented the first adapted abacus for people with vision impairments called the Cranmer Abacus. Cranmer, who was born blind, modified the Japanese abacus (soroban) to include a felt backing that keeps beads in place.
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