Japan game: Minimal Rubik’s Cube: -0.99 cm Super precision
-Ultra-Precision Miniature Metal Rubik ’s CUBE-
set content:
Dedicated pedestal: 1
Size: 0.99 x 0.99 x 0.99 (cm), 2g
Pedestal: Width 5 x Depth 4.5 x Height 3 (cm), 128 g
Material: Aluminum
Price: 180,000 yen including tax and shipping
Sales route Order sales at Mega House Toy Market
Mega House Limited
https://www.megahouse.co.jp/rubikcube/miniature-metal-rubiks/