Zuru Max Retro Builds Set for Kids - Bundle with Zuru Max Retro Bricks Blind Ball Plus Stickers and More | Zuru Max Retro Collection Brick Building Set (Styles May Vary). This mystery retro technology bundle comes with one mystery ball that includes pieces to build 1 of 6 different retro devices including a cassette radio, Polaroid camera, arcade machine, telephone, computer, and television. Sure to be a hit with all kids, these Zuru max retro brick building mystery balls are great to use as party favors, party supplies, goodie bag fillers, basket fillers, and more! With 6 different mini brick building toys to collect, these surprise Zuru retro balls are fun for everyone! Enjoy the mystery of opening the ball to see which retro piece of technology you got. Officially licensed Zuru Max retro brick building toys are great for kids and adults, boys and girls alike. Set also includes a create a face sticker book and a Beach Kids door hanger.