"The cute little monsters are waiting to grow. Slide them up or down, and there you go! While Leggy likes to grow tall as fast as he can, Teeny enjoys getting shorter. Grab your Monster ruler and roll the number die. Add/substract the number to your monster legs and move the slider up or down. Contains: 2 wooden number die, 4 wooden rulers with sliders, 24 cards, and instructions. For ages 6-9 years Number of Players: 2-4 Measures: 33x13x6.4cm"