17 x 11 x 17 cm (L/W/H) The gears can be connected together on the side panel of the toolbox. All three can be used to form a diagonal line. Let your little engineers show off their creations with the Tolo Tool box! Includes 14 pieces of tools including a screwdriver, spanner, long oval connectors, cross head screws, bolts nuts and gears. A sturdy handle for your little one to transport all the tools. 12+ months Teach the difference between nuts,bolts and screws. Show how the spanner and screwdriver are used. Connect some bolts and nuts to the side panels for practice. Connect a nut and bolt on the connecters and show how they can slide along it.