A new hobby that lets you create your own unique illumination is here! ★ Follow the design guide to insert the Illumi-pins and create an Illumi-cassette! Set the Illumi-cassette you made into the main unit and light it up! You can choose from 4 different light patterns. The color of the light changes with the included color memory (Dream Color includes pink and white memory)! Let's carry around your illumination♪ ■Product size (W)123 x (D)31 x (H)101mm (main unit size) ■Batteries: LR44 x 3 (test batteries included) ■Manufacturer: Megahouse We only handle genuine Japanese products, and if a counterfeit is discovered, we will provide a refund in accordance with Mercari's regulations. We have over 1000 reviews, so please feel assured. As this is a popular product, it is difficult to offer a discount. We have a track record of transactions, so please purchase with confidence! We usually ship the next day (same day shipping is possible if early enough)!