ONE
THREE
SEVENSTORE · MMXXVI
NFC GAME CART · S137·001

BLACKBERRY
RHINO

CASEIN × DAVID CHIEF · ONE THREE SEVEN MUSIC
$40PRE-ORDER · PLUS SHIPPING

This run of 100 is gone. Leave your email and you will hear first when the next batch of carts is cut.

SHIPS BY NOV 6, 2026 · US + SELECT COUNTRIES
SONG OUT NOV 6, 2026

The second Secret Arcade cartridge, in black. Tap it to your phone and Blackberry Rhino opens: ride the rhino down the tunnel, jump the pits, slip the gaps, the song underneath it all.

This one is the key. The Blackberry Rhino game is gated, and the cart is how you get in: every cart carries its own code, on the chip and on the packing slip, and it unlocks the game to your account.

3D printed in Nashville and hand assembled. Limited run of 100. When the run is gone, it is gone.

ARTISTS
Casein × David Chief
SONG
Blackberry Rhino · out Nov 6, 2026
GAME
Blackberry Rhino · unlocked by the cart
SIZE
57.5 × 64.5 × 8 mm (2.26 × 2.54 × 0.31 in) · classic handheld cartridge scale
SHELL
Black PLA, 3D printed in Nashville
CHIP
NFC tag inside the shell · works with iPhone and Android, no app
RUN
Limited · 100 carts
SERIAL
S137·001
SHIPS
By Nov 6, 2026 · US + select countries

HOW A CART WORKS

Tap it

Hold the cart to the back of your phone. iPhone and Android both read the chip inside with no app to install.

It opens

The Secret Arcade loads in your browser, straight into this cart's game.

Play the song

Every game is built on the track it comes from. The song plays underneath the whole run.

ALSO IN THE DROP

FLOWER OF LIFE
CASEIN · S137·000 · PRE-ORDER $20
VIEW ▸