This is a bi-stamp that is used by Kazuki Itokashi (performance: Kintaro Maeda), Daiji (performance: Nobun Hinata) and Sakura (performance: Ayaka Inamo), as seen in "Kamen Rider Revis Battle Family" which appeared in theaters nationwide. Set the main unit in the "Transformation Belt DX Revise Driver" (sold separately) and press the button on the top to turn the fan. When you defeat the bi-stamp, the transformation sounds into Kamen Rider 50 Storms will be sounded. In the transformation state, press the button on the top and defeat the bi-stamp to activate the special trick. After transformation, you can also operate the bi-stamp or revice driver to activate each special trick according to the movement. The bi-stamp body is also linked with the DX bi-stamp series (sold separately). Set it on the back and scan to make a special trick. Set Contents: Fifty Gail by Stamp 1, Warning List 1, Product Size (H x W x D): Approx. 4.3 x 2.5 x 2.5 inches (110 x 74 x 62 mm); Product Material: PC, PP, PE, EP; Recommended Age: 3 years and up batteries LR44 x 3 (included). *Set is for testing.