Tetsujin Tantei Robotack Bandai Tetsujin Tool "Wonda Phone" I haven't been able to confirm the operation because I didn't have button batteries. Product Description: From "Tetsujin Tantei Robotack", the Tetsujin Tool Wonda Phone appears! The expression changes on the LCD screen! Enter the password! You can enjoy 8 functions! ◆Product Details Size: Approximately H12 x W4 x D2.5cm Power supply: 3 LR44 button batteries Target age: 3 years old and up ※ No box It's quite old. Please understand that this item is stored by a private individual and is non-returnable and non-refundable.