004800 - Niehuis Montessori The Geometric Solids 蒙特梭利教具- 立體幾何組- 10個幾何體向孩子們介紹了立體幾何。有3個透明底座用來固定有弧邊的幾何體。The 10 Geometric Solids introduce the child to solid geometry. 3 clear stands for the curved-sided solids are included.
包裝尺寸：280×120×210 配件：木制幾何體×10；塑膠底托×2 材質：櫸木、塑膠
0048A0 - Niehuis Montessori Geometric Plane Figures With Box 蒙特梭利教具- 立體幾何組投影板-This material is used to link the three-dimensional Geometric Solids to their corresponding two-dimensional plane figures. Includes 5 plane figures with box. 這個材料是用來把三維幾何體與二維平面圖形對應。材料包括盒子和5張平面圖形。包裝尺寸：160×160×40, 配件：盒子×1；木板×5, 材質：櫸木、樺木膠合板
