Wooden Rainbow Building Blocks with Balls (XL) by Small Foot – Babies Learn Hand-Eye Coordination, Patterns & Colors While Developing Fine Motor Skills – Educational Game for Toddlers – Age 12+ months This Montessori and STEM toy for early education is the best wooden stacking puzzle for developing babies. Contains 12 arch pieces of different colors and alternating sizes, along with 2 wooden balls. It helps to build early shape, color and size differentiation skills when children try to stack the arches inside each other in the correct semicircle pattern. Not just your typical stacking ring, this version has rounded/arched blocks that create a cheerful rainbow when put together in the right order. The different sized wooden arches must not only be placed in the correct order, but also turned to the same upright position. It''s a tricky task that trains fine motor skills and problem-solving skills! There are lots of other fun possibilities, including building tunnels to roll the balls through, or creating mazes in varying shapes (circle, arch, etc.) for the balls to roll on. . This classic game will bring back fond memories of your childhood and can be handed down through future generations. Perfectly sized for little one’s hands, your child will love the bright colors and engaging design. Babies, toddlers and older children alike will enjoy screen-free time playing with this toy, as it promotes hours of quality playtime for a hands-on play experience. Small Foot Wooden Toys are designed for the learning and playing needs of children. We offer a broad line of developmental, role playing, craft and educational toys for children ages ranging from 6+ months to 10 years of age. We source only the highest quality raw materials and regularly test all our products to ensure dependable craftsmanship & product safety. Every toy created meets and exceeds ALL global quality toy standards and safety certifications. ● TUV Certified - Our baby products meet the highest European safety guidelines. ● ICTI Ethical Toy Program certified - We''re committed to fair treatment of resources, employees, and processes ● FCS Certified - Products with the FSC® seal stand for particularly ecological and social responsibility