The Montessori balancing toy can be used by anyone at any age! It's fun, creative, and great for people who have ADHD or anxiety issues, and will help to learn the fundamental facets of balance, hand-to-eye coordination, spatial skills, bilateral coordination, and basic geometry! The big wooden balancing rocks are fun y to build, stack, balance, and learn - an excellent educational toy that will help develop toddler's fine motor skills while having fun! Responsibly sourced beechwood, water-based oil paint, and recycled kraft paper packaging make this toy an eco-conscious choice with a smooth and rounded edges. The wooden XL balancing rocks are safe for little hands and mouths (no choking hazard due to big size), and they are great for the environment as they are 100% plastic-free.Details:Multicolor8.86" x 7.48" x 2.44" package size17 XXL sized wooden rocksDevelops fine motor skillsGreat for ADHD and anxietyWater-based paintNatural beech woodFor ages 3 and up