Bộ 80 cái đĩa hình tròn/tam giác/vuông cho dạy học

Specifications: Geometric disc design with smooth surface, colorful and lightweight. Stimulates childrens logical thinking, improves children hand eye coordination and learning ability. Great teaching aids for geometry learning. Type: Counting Disc Material: Plastic Quantity: 80Pcs/Set Features: Educational Toy, Mathematic Learning, Colorful Rectangle Size: 3cm x 2cm/1.18" x 0.79" (Approx.) Triangle Size: 3.4cm x 3cm/1.34" x 1.18" (Approx.) Square Length: 3cm/1.18" (Approx.) Round Diameter: 3cm/11.8" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 20 x Triangle Disc 20 x Square Disc 20 x Round Disc 20 x Rectangle Disc