Mind Sparks Dry Erase Blocks are great for creating your own fun and games by drawing pictures, writing letters, words, phrases, numbers or a combination of them all. Roll, pass or toss blocks for many different types of play. Includes one dry erase marker (Black), an instruction sheet and four foam blocks with six dry erase panels each. Foam blocks come in an assortment that includes Lime, Teal, Orange and Purple.