Learn to count with Arty Mouse and his colourful friends. Packed with 40 enticing double-sided wipe-clean cards and a wipe-clean pen with integral sponge eraser, this immersive flash cards set makes getting to grips with counting, reading and writing numbers 1 to 20 lots of fun. Learn to count with Arty Mouse and his colourful friends. Packed with 40 enticing double-sided wipe-clean cards and a wipe-clean pen with integral sponge eraser, this immersive flash cards set makes getting to grips with counting, reading and writing numbers 1 to 20 lots of fun. Full of stimulating number activities to spark learning, this is perfect for parent-child sharing over and over again, as skills and confidence grow day by day. For children age 3 and up. Arty Numbers flash cards make learning together an adventure, ticking the boxes marked 'educational' and 'fun'!