Lots of little builders and architects in your classroom or play area? Thanks to our ECR4Kids 48 Piece Architectural Building Block Set with Carrying Case, they’ll have a simply amazing new way to express their creativity and building skills. These solid rubberwood blocks are durable and have been sanded by hand to ensure smoothness and safety. There are 11 different shapes in total, which means countless buildings can be constructed. This 48 piece set comes with a lifetime warranty.