Grimm's rainbow stacking toy - handmade from Solid hardwood. Only natural materials used - safe for babies and toddlers. We prioritize safe and natural environment for kids to learn and develop. This wooden rainbow Montessori toy is no exception - learn, create, spend quality time with your baby or toddler - simply Have fun with it. DIMENSIONS Height: ~5.9 inches (15cm) Length: ~11.8 inches (30cm) Thickness: ~0.66 inches (1.7cm) © Woodinout. All rights reserved.