Size: 25.5 cm (height) x 25.5 cm (width) Reasons for Popularity ✨ The colors match the world of building-block play, which is well-liked. ✨ Children chose "easy-to-imagine colors" = "easy-to-use colors." ✅ [The reason these 6 colors (green, light green, white, gray, brown, and blue) are popular with children] 1. "Green and light green" can recreate nature and forests. → Perfect for creating scenes of nature like grasslands, trees, mountains, and forests. Also popular in combination with animals and insects. 2. "Blue" can represent water and the sky. → Freely recreates the sea, rivers, sky, and pools, making it great for summer play and adventure games! 3. "Gray" can be used for buildings, roads, and machinery. → Easy to use for cities, factories, robots, roads, etc., adding realism to creations; a versatile color. 4. "Brown" can be used for the base of nature and buildings. → Perfect for creating warm works like soil, tree trunks, house floors, and furniture. 5. "White" can be used for anything, such as snow and clouds. → A versatile color that can be applied to various themes such as snowy landscapes, houses, hospitals, and clouds. ⸻ These six colors are especially popular because they support children's "pretend play," "building construction," and "nature recreation"!