Quadrilla An educational toy that allows for endless assembly with wooden parts. - Brand: Quadrilla - Model Name: Twist & Rail Set - Target Age: 4 years and up - Material: Wood This is an older item, but it is still usable. However, 2 parts are missing, and the marbles were lost during other play. Please see the 13th photo. As it has been used for a long time, there is some color transfer from the colored parts to the wooden parts. The outer box has also been reinforced with tape, so please check the photos. #Wooden #Educational #PitagoraSwitch #TwistRail #Toy #Fun #KidsLoveIt