Use these flash cards to increase interaction with children, aid communication skills and help foster an investigative mindset. Make learning to count and basic maths fun with this set of brightly-coloured illustrated flash cards. The cards feature numbers 1 to 20 and equals, divide, minus, multiply and plus symbols. Each card is laminated and features rounded corners for long life and durability. Australian made and printed on environmentally friendly paper. Cards are 10cm x 15cm in size. Recommended for ages 4+. Caution: Children 3 years and under should be supervised when using cards. Cards should not be chewed or sucked on, doing so may result in small parts causing a choking hazard.