Recent studies have shown that science, technical and technological fields are underrepresented academically and professionally from school to university level. The interests in learning such fields can be traced back from early childhood education to higher learning levels. Recent studies have shown that science, technical and technological fields are underrepresented academically and professionally from school to university level. The interests in learning such fields can be traced back from early childhood education to higher learning levels. Studies revealed that teaching and learning materials either guided or free when integrated into children's games and plays become valuable resources that create desires int learning these subjects. This study therefore, explored on the supportive teaching and learning materials employed by teachers and parents in children's game and plays to build their desire and interests of learning the subjects. The study was conducted in Kinondoni district, Tanzania. The study employed a mixed method approach based on descriptive survey design. The study collected data from 230 participants in 20 pre-primary classes. Purposive sampling was for teachers and parents. Random stratifies sampling technique adopted to get pre-primary classes. Findings revealed that children curiosity and interest in learning science, technical and technological elements are impacted by improper and inadequate supportive learning materials. Also, types of plays and games engaged in, classroom environment, parent's participation in children plays and communication done to children. Majority 20 (100%) teacher were employing certain common games and plays those bored children. Many 16 (80%) teachers do not implement recommended supportive materials effectively. The study concluded that supported children demonstrate curiosity and interest which build foundation for future professionals, expertise and specialists. The study recommends for positive support to children's ideas, natural curiosity and perspectives to enhance their interest in learning science, technical and technology aspects.