Chock-a-Block is a free-form, open-ended, beautifully crafted all wooden construction set designed to stimulate the imagination and encourage expression. Components include a variety of different sized struts with holes drilled to allow dowels of differing lengths to slide through and be connected by the coloured balls. Comes packed in a wooden box with stencilled compartments showing where the 100 pieces belong. Balls 2.5cm diameter. Ages 5+.