Kingmall 2 in 1 math POP (Double-sided Printing 1-9 addition chart & 9X9 multiplication table) - Not only a simple and interesting popping toy, but also a multi-function math learning tool. Kids can learn and remember 1-9 addition & multiplication formulas through play with our tools. Highly Recommend to teachers, parents, children! 【Description】: 1. It is suitable for all kinds of people, and it is also suitable for children with ADD or ADHD and people with OCD or high stress/anxiety levels. 2. It is a perfect portable game and annoying ttoy, or you can give it to your child as a game toy, which can be used as a frisbee game. 3. This new designed item can help reduce your stress and anxiety, and can also enhance kid's focus and attention. It's a good choice for people with autism. And, it's also an educational tool, with which we can teach kids alphabets and numbers. 4. This upgraded fidget ttoy is also suitable for children, adults and the elderly to resist anxiety, reduce ADHD, relieve depression and make you more focused on work. 【Features】: - Material : Silicone - Size : 20cm*20cm*1.6cm( 7.9inch x 7.9inch x 0.63inch ) - Shape: Square - Color : Rainbow - Unit weight : 160g(5.6 Oz) 【Package includes】: 1. Kingmall Double-sided Printing Popper X 1pcs (One side with 1-9 addition chart | Another Side with 9X9 multiplication table) 【How to play】: 1.Player take turns to press down any number of p0p bubble in a single row. 2.Each player can press 1-3 piece at a time, must be connected and press the same line of pieces at a time. 3.The player who presses down the last p0p loses the round. Player can make your own game rule for this p0p bubble sensory fidget ttoy. 【Notice】: 1.Because the different monitor and light effect, the actual color maybe a slightly different from the picture color. 2. Due to manual measurement please allow 0.5-1cm differences.