The cards are 14.5 cm each. Bee Bots move 15 cm or approximately 6 inches.Make your own mat.Laminate the cards. Cut to out each one. Tape together or use Contact Paper to make the Bee Bot mat. You can use them all at one time or make several mats. Mix up the shapes. Included is an extra blank in case you want to add something.Use the small cards to pick a shape, then code to the shape.Also included is a START and STOP card. You can add this to your mat as well if you would like. Or you can