This set of 25 precision mixer gizmo blocks from Block Tech is perfect for any young builder or engineer in training. With a variety of shapes and sizes, these blocks are ideal for creating fun and functional appliances, tools, and machines. The set includes everything needed to get started, and the precision of the blocks ensures accurate and consistent results with each build. Whether you're a fan of Gizmo or just love building with blocks, this set is sure to provide hours of creative and imaginative play.