This brand new Hubelino set is not just big, it’s MEGA! Get ready for incredible building adventures with the Hubelino Mega Building Box Set which includes 585-pieces. This set includes six different extensions and is the largest set in the history of Hubelino. In addition to a huge amount of building blocks, run elements, base plates, marbles and special components, this mega construction set also includes a detailed and comprehensive instruction book with three giant assembly ideas including how to build an amazing race track. * 100% compatible with standard bricks offered by other manufacturers Comes in a sturdy box with a handle for easy transport and storage. * Promotes development of skills through play. * Enhances creativity, motor skills, spatial awareness, and logical thinking. * Hubelino has been inspiring tinkerers and thinkers since 2008. * Suitable for ages 4+. Especially intriguing for master builders ages 8-12 years. * Produced in Germany.