Hello! Welcome to our store! Quality is the first with best service. customers all are our friends. Fashion design,100% Brand New,high quality! Kids can DIY many sorts of design with these colorful Alphabet/Digital mushroom nails, it is amazing! Fits for children older than 3 years.Can enhance the child´s ability and imagination. They can also teach baby to identify the color, Alphabet,Digital,shape; Learning arithmetic. This product contains small parts, small age babies must be in parents´ care. Material: ABS environmental material,very safe for your children. Color: Random Size: 200mm (About) 2 x 0-9pcs Numbers Mushroom Nails 2 x 26pcs Alphabet Mushroom Nails 1 x add sign 1 x Subtract Sign 1 x Multiply Sign 1 X Divide Signsign Sign1 x Subtract sign 1 x Multiply sign and so on 1 x Multiply sign 1 x 1 x Multiply sign Multiply sign 1 x Multiply sign 1 x Multiply sign 1 x Multiply sign There is 2-3% difference according to manual measurement. please check the measurement chart carefully before you