This set includes 100 wood dyed color cubes and 1 dice. To play, the players set up the tower. Then, first player will toss the dice. He or She has to take out the cube with the color indicated on the dice without making the whole tower collapse! Besides, this is also a fantastic set for counting, building and learning about the concept or cubes and areas. All Qtoys products are made of plantation timber, using non toxic, child safe materials.