Hollow 6mm thick 100 Hollow Frame 
 
33cm Square Frame with 10 x 10 Square Holes which measure approx 24mm and they fit 2cm wooden cubes perfectly, or 65mm peg dolls, pom poms and more.
 
Comes with a solid 3mm base which can you can glue on if you wish. (Use any white craft glue) 
 
There is the option to have the base in plain or numbered 1-100 
 
We do not include the wooden cubes but you can get them here 
Kurtzy Small Wooden Cubes (120 Pack) - 2 x 2 x 2cm (0.79 x 0.79 x 0.79 inch) Wood Cubes - Natural Unfinished Pine Wood Blocks - Educational Craft Cubes for DIY, Stamps, Art & Crafts, Puzzles, Numbers : Amazon.co.uk: Toys & Games