FIOLOM Block Party Architecture Each block with different pattern. Bricks: 10" X 4" X 8" / each; Long Roll: 40" X 8" dia; arch: 40" X 12" X 16" (arch opening is 20" X 10" h); half circles: 20" X 6" X 10" Blocks are packed in a sturdy vinyl bag with carry straps. It has two pockets. They can be used for identification. Now is a good time to start cultivating language skills. These Toys are specially designed for this this age. 6 Months and up