Base: 21.5 x 16 inches. Number of connector cubes: 10. Material: 1/8 inch clear acrylic sheets for the cover and 1/4 inch black acrylic sheets for the base.
It is easy to assemble with a Lego part which is included in the package (You need to assemble this case with your own). Everything is included in the package. Please send me a message if you have any questions.