||KIUBEE is a set of educational game assembled with the sole purpose of promoting age 7-12 children critical and creative thinking skills while playing with numbers and learning mathematics. KIUBEE is modeled based on the critical thinking theory. KIUBEE consists of fifty-two number cubes, each with six faces, which are labeled by number one until one hundred, zero, repeating number, even number, odd number, natural number and two operator cubes. It also made up of number card and power cards which enable children to play with fun and creativity. KIUBEE poses pedagogically relevant challenges to children by exposing children to fundamental mathematics problems. Through KIUBEE, mathematics activities are embedded in such a way that children can see numbers quickly through repeated practice; learn basic addition, subtraction and counting and develop more effective ways of solving addition, subtraction and counting problems. Children are able to enhance their number sense and build up experiences with number through repeated practice. KIUBEE has the potential to become marketable and globally used product as it contains the viable functionality to be launched, marketed and sold successfully. Schools can integrate KUIBEE as teaching and educational aid for age 7-12 students. This product is cost-effective as the estimated market price ranges from RM50 to RM100. Cheaper price can be expected if recycle wood, paper and plastic being used.