The Montessori Toddler Busy Board Sensory Toys by flycoost are designed for toddlers aged 12 months to 13 years, with a focus on sensory development. Made of wood, these toys are durable and feature various textures and shapes to stimulate the senses. The wooden design adds a natural element to the toy, making it visually appealing and engaging for young children. The product dimensions of 5.12 x 7.87 x 1.97 inches and weight of 1.76 ounces make it easy to handle and transport, while 2 AAA batteries are required to operate the included sensory toys.