Toys of Wood Oxford Wooden Nut and Bolt Building Blocks Construction Kit 30 Pieces with a Bag- Large Size - Wooden Building Set - Wooden Toys 4 Year Old Wooden construction set of 30 wooden pieces of nuts, bolts, building blocks and a screwdriver to make different models Leaflet with assemble sample pictures and a store bag included. One can copy the pattern and it is more fun to create your own too. It is a game of super dexterity, creativity, imagination, problem solving and patience. Suitable for 4 year plus. In order to make something of the shapes and designs, young children would need help from an adult to begin with.