The Excellerations Refillable Window Blocks Wood Set is a fantastic resource for young learners, inviting endless creativity and exploration. These durable blocks encourage kids to play, refill, and redesign their displays, helping them grasp essential concepts of spatial relationships while developing their fine motor skills. Crafted from sturdy birch wood and acrylic, this set stands up to countless activities making it a reliable choice for both classroom and home use. As parents and educators, we love how these blocks turn learning into a vibrant and interactive experience! 2-5 years