This is a real box of fun! The Janod DIY construction set includes 100 wooden pieces of nuts, screws, bolts, washers, plates and blocks. Use these to build wonderful contraptions that stimulate your child's imagination. Use the suggestions in the box or create your own vehicles, rockets and spaceships. Great fun for a large age group, this will be used in the playroom for years. All pieces are made of wood, kind of like wooden meccano. Age guide: from 3-8 years.