Block Builder Mobile Crane Building Block Set 475pcs and Construction Tower Crane Two Building Kits in one Set Toy Blocks Suitable for Boys and Girls

2in1 Model Build either a Mobile Crane or Construction Tower Crane Features boom winch and support legs High Quality Building Blocks Our Block Builder set uses the highest quality materials to produce strong tight fitting long lasting building blocks which are compatible with most standard brick types Ideal toy for a future Civil Engineer Supervise and build major construction projects Perfect Gift Surprise your most enthusiastic building block enthusiast friend or family member with a challenging and fun build of this 475 piece set