Vision Board - Mirror Twist, Vision Board - Mirror Short/Tall, Vision Board - Mirror Narrow/Wide. Mirrors help children understand the word around them and these fun mirrors show them the world in different ways, thus increasing their awareness of self. They can observe the distorted images being reflected back at them and the environment behind them.Posts and triangle supports are included with each board to aid in stability. Each board comes with 2x Posts H1250 x W70 x D70mm & 4x Triangle supports H560 x W320 x D40mm.Pre-treated pinewood & PE. Units are free standing for mobility around the playground, but optional ground anchors (for soil / grass) are supplied for extra safety and for a permanent fixing. Each Board - Dimensions H1250 x W900 x D720mm. Overall Set Dimensions H1250 x W2050 x D720mm