The K'NEX ReKonstructors 2003 Robot Building Set is a vintage gear building set featuring a shadow character theme. Released in 2003 as part of the Kid K'NEX product line, this set is made of plastic and is suitable for children aged 7 and above. With its focus on robots and the use of the shadow character, this set allows kids to engage in creative play and construction while experiencing the nostalgia of a vintage toy. Ideal for fans of building toys and those interested in engineering and robotics, this set offers a unique and interactive building experience.