Reinforce STEM Learning A true early learning toy these kids building blocks are a great educational system for promoting science technology engineering and math. Limitless Design Possibilities The best part of our building blocks for boys and girls is that they can be used to create an endless array of inventions theyll love. Manufacturered by Dimple. Colorful Interactive Pieces Each block set also comes with engaging electronic additions including a speaker lights spinning fan and more. Guaranteed Smiles- We know that our products will be an asset to any playroom classroom or toy room and we stand behind the quality of our products. All Dimple toys come standard with a 1-year comprehensive warranty on craftsmanship. Endless Amounts of Fun Every set of childrens electronic building blocks comes with an easy-to-follow book that helps them create more than 115 unique electrical projects.