It’s 10 half circles- it’s a set! – Our wooden semicircle set is the perfect thing for crafting, hands-on learning and sensory play! The set of 10 ranges from 3”- 12”, and they are each a perfect half circle cutout for crafting fun! Made of quality birch plywood, they’re ¼ inch thick for maximum sturdiness. Encourage open-ended Play - There’s good reason natural wooden toys are so popular, and if you’re a Montessori or Waldorf mom, you’ll love the opportunity to make your own wooden stacking toys! Give your kids completely safe and non-toxic toys that can help with their development! Build it beautiful- Kids love the playing, and moms love the crafting and displaying! If you love the pastel or brightly colored rainbow stacking look, this set of half circles is easy to color with acrylic paint, wood stain, chalk paint, or dye it with liquid watercolor paint. Happy learning, and happy crafting! Note: not compatible with rainbow arcs.