Wish that you had a funky watch to go with every outfit? Well now you can with the Building Block Watch! You can design & build your own watch out of the 107 building blocks supplied. This enables you to change the look & feel of your watch on a regular basis. This Building Block Watch provides you with something a little different from your ordinary wrist watch. The building blocks are black light responsive for that night time glow under a UV lamp when in a club or bar! The watch has a quality quartz movement to ensure you have an accurate grasp of the time at a quick glance. The strap is adjustable meaning it should fit most wrists, making it the ideal timepiece for any watch lover. Be the envy of your family & friends with this watch with a difference. Requires 1 SR626SW battery (included).