【40 Pack Glow In The Dark Marbles Bulk】- Our 40pcs/lot glass marbles includes 10 different colors of glow in the dark glass marbles that shine bright as they slide down the marble run, which brings endless hours of fun! Also includes a UV light to quickly recharge the marbles. 【Wonderful Indoor & Outside Toys for Toddlers】- Our portable marbles is good indoor and outdoor toys for kids playing everywhere. They are very easy to use and fun to play. Roll, throw, toss or hit marbles with your friends. Do whatever you want with this amazing marble toy. It can improve children hand-eye coordination and their fine motor skills. 【Colorful Glass Marbles for Various Applications】- Our assorted marbles are perfect for different marble games such as Marble Run, Traditional Jokers and Marble Board Game, and Chinese Checkers Board Game etc. Our colorful marbles aren’t just a kids toys, they also can be as the nice home decor. 【Retro Fidget Toys for Adults & Kids】- Relieve stress and anxiety by simply playing our colorful glass marbles with your friends, kids or yourself, which can light up your mood by having hours of fun. 【Colors & Count Learning Toys for Children】- Ucradle marbles are made from high-grade glass, firm and smooth with a nice finish, which is safe and durable for use. Our 40 pack marbles contain 4 different colors: blue, green, yellow, light blue(10pcs/color), I'ts a perfect learning toy to teach colors, sorting and counting.