Material and safety - Made of high-quality food grade stainless steel that is safe and non-toxic, with strong rust protection and robust durability. The cutters are easy to cut through dough and withstand repeated use. - All types of dough can be used with these cutters, and they can be cleaned by hand or in the dishwasher. - Tip: Please clean each cutter before first use. Package contents and size - The cookie cutter set includes 9 numbers in total. They are all made of food grade stainless steel, safe and durable. - Each number is about 7 cm in size, enabling you and your children to enjoy the fun of DIY baking. - Use the cutters to create special numbers and teach children numbers, so kids can make biscuits themselves and easily form their favourite shapes. Reuse and maintenance - Reusable and easy to clean. Made of high-quality materials, the cutters can be cleaned and dried and then reused many times. - Reusable multiple times helps you enjoy the fun of self-baking while saving money. Learning through baking - Bake with your children and teach them numbers while making delicious treats. - This approach combines number education with cooking, helping to improve counting skills and inspire children to count and bake. - It also promotes a positive parent-child experience during baking activities. Practical use scenarios - Home baking with kids: create number-shaped biscuits for learning and playtime activities, turning baking into a fun numeracy exercise. - Classroom or homeschooling: use the 7 cm numbers to practice counting and shape recognition during hands-on lessons. - Themed parties or events: make numeric cookies for birthdays, celebrations, or educational activities, adding a interactive element to the occasion.