This is a set of telling cards, which are made of chromo board material, for use. Helps parents and teachers to teach children to tell the time in an easy and fun way. Suitable for elementary school classroom, homeschool, basic math class. Features -Color: As shown. -Material: Chromo board. -Size: About 14.50X8.00X1.50cm/ 5.70X3.14X0.59in. - Made of chromo board material, they are for use. - Helps parents and teachers to teach children to tell the time in an easy and fun way. - They are suitable for elementary school classroom, homeschool, kindergarten, basic math class. - Contains various bright colors help kids' visual and improve hand-eye coordination. - These flash cards can be used in classroom or homeschooling. They help kids develop math skills from learning the analog clock. Package list: 4 x Boxes Cards