?【Packing List】: This wooden Montessori toy includes 3 sets of cylinders with sleeves. Each cylinder has a different height and/or diameter, and the size of the largest sleeve: 9.1 X 2.6 X 2.8 inches (manual measurement may have deviations). ?【Easy to Grasp, Thick, Very Suitable for Small Hands】: The wooden giant knob can enhance children's two-finger grasping ability, and at the same time can promote the child's hand fine motor development and hand muscle control. It can help children aged 0-3 or older to easily grasp and operate cylinders of different sizes. ?【Suitable for Early Education and Enlightenment Training for Babies】: This wooden knob log cylinder can effectively cultivate children's visual perception and sensitivity to dimensions, learn to distinguish the size, height, and thickness of items; at the same time, it can guide children to use the three sleeves independently Assemble shapes, cultivate engineering skills, spatial awareness, logical thinking and imagination. Prepare for mathematics study before. ?【Safety and Environmental Protection】: Our wooden toys are mainly cut from German AA-grade beech wood, children's environmental protection paint, non-toxic and environmentally friendly, and the surface is smooth and burr-free. Strictly implement production in accordance with ISO9000 quality management system labels. ?【Suitable for Multi-Scene Education】: Can be used as educational toys and gifts, parents accompany their children to study and play together, increase family parent-child communication, and create a Montessori environment. It can also be used as a necessary teaching aid for Montessori senses to cultivate children's interest in mathematics in advance. › See more product details