Super fun activity and party favor -- These are the major hit at the birthday party. Create the most special Children are particularly curious, and free building can satisfy their personalities that love to experiment, explore and play. You can use these block glasses to hold a contest to see who can build the most creative pair of glasses and become the main attraction at the birthday party. A complete set 9 glasses frames (3 red, 3 yellow and 3 cyan), each with a pack of colored blocks, compatible with all major brands, and they fit easily over our own everyday glasses, which was a nice surprise. Kids can design them the way they want, older kids like to change their designs, and the glasses bring some fun to the adults, all working on who can create the most unusual look. A variety of colors, wear the finished glasses to make you cool and eye-catching, can help you take a lot of interesting photos on special days and leave a joyful memory. Creative funny building eyewear These building eyeglasses can be applied for various occasions, such as birthday, block themed birthday party, carnival party, building birthday, classroom games, building block party, indoor or outdoor games and so on. They can also be applied as a gift to send your family, friends, and neighbors etc., which can easily cater to their interests and tastes, and make your birthday party more interesting and memorable.