It'S A Sensory Manipulation Board From Viga Is One Of The Leading Toys That Will Allow Your Child To Enter The World Of Interesting And Creative Play. This Large Wooden Board Offers Several Types Of Activities, By Turning The Screws Appropriately, Exercises The Agility Of The Fingers. Two Colorful Screws Placed On A Long Threaded Pin Will Provide Real Fun For Every Toddler.