Creativity Beyond Imagination - PicassoTiles Marble Run Building Blocks promote problem-solving skills, hand-eye coordination, fine motor skills, educational STEM logic training, and children's brain development. Colorful marbles racing through vibrant magnetic tiles are perfect for preschool, elementary school, kindergarten, free play, group activities, and classroom teamwork. ◼️ Immediate purchase welcome, silent purchase at midnight OK ◎ ◼️ First come, first served for single items ◼️ Welcome to bulk purchases, please feel free to comment ◼️ Free shipping! ☆ Please understand and purchase with home storage and simple packaging (⁎ᵕᴗᵕ⁎) ☆ Please check the actual photos for the condition of the product ♪ ☆ To check the product, we have opened it once even if it is new and unused. ∞ We are also selling various other items ∞ 　Please take a look here. 　　　　　　☟ 　　　　#SE☆NA♡OnSale ★ Due to thickness, we may change to Yu-Yu Mercari Mail [anonymous delivery] ★ (18-36) 999