Space-saving, easy to install / assemble, educational and fun for kids! Each domino wall is vibrantly colored in the pattern of a rainbow and pulled upright by the unique shapes attached to the string below. Once all of the wooden blocks are standing, your child can knock them down and watch as each one tumbles into the next. The long piece of wood that the dominoes are attached to, or the “wall” can easily be hung from any wall in your home or classroom. For table top fun, simply insert the wooden legs provided with each domino wall. You won’t have to worry about having to clean up a mess after play time with this tumbling toy set! No loose pieces.