With 165 pieces and 11 different models to choose from, there's no limit to the fun and learning that can be had. The set comes with easy-to-follow instructions and is recommended for ages 3-12.nnEach model is made from durable plastic and measures 26.5 x 19 x 14.5 centimetres. This building toy set is perfect for developing creative thinking, engineering skills, social skills, STEM learning, and motor skills.