材质：纸板。尺寸：31×24 ×8cm。内含20张拼图卡。每个数字都有对应数量的物品，既可以用来做拼图也可以用来学习1-20的数序与数量对应。帮助幼儿提升数的概念和逻辑思维能力。
As children fit together the colorful, interlocking number pieces on our adorable train, they practice counting from 1 to 20. Puzzle measures 8' in length and has 20 jumbo pieces.
