600 Pcs Building Blocks Stem Toys, Interlocking Solid Plastic Stem Building Toys Educational Building Toys Discs Sets with Storage Box and Pictures for Boys and Girls, 100 Days of School Features: These educational toys can be regarded as interesting gifts for family members, classmates, neighbours and more, on birthday, 100 days of school, summer holiday and son on, they will be cheerful to receive such interesting gifts. These stem toys can be spliced and assembled into a variety of shapes, such as flowers, animals, buildings, car and so on, improve hands on ability, logical ability and more. Specifications: Material: plastic Color: colorful Size: 2.9 cm/ 1.14 inch in size Package includes: 600 x Building blocks 1 x Storage box A Helpful instructions and ideas for educational play Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Suit to people over 14 years old. Small items are included, please keep children under 3 years old away from them.