Construction toys have simply never been this big! Build oversized houses, pyramids and 'magic balls' using 18 magnetic squares and 12 triangles and be amazed at the size of the structures. Construct towers over 3ft tall in Magformers rainbow colors. Build with original and authentic Magformers and follow the step-by-step instructions and develop color and shape recognition, fine motor skills and problem-solving ability.Each geometric shape contains magnets that never reject, so you'll always hear the Magformers click. When playtime is over, use the magnetic power to simply stack and store.Magformers Super 30Pc has been proudly selected as a top STEM toy and teaching aid by STEM.org. The STEM.org Authenticated trustmark streamlines consumer's ability to identify resources that conform to vetted STEM standards, thus assisting with quick decision-making in favor of quality. When parents and educators observe STEM.org Educational Research's seal, they know that products will: Integrate seamlessly into STEM-friendly classrooms and homes, Align to Science, Technology, Engineering, and/or Math standards, Support the development of learner's 21st Century Skills, Engage users through hands-on learning and collaboration, Ensure a secure, third-party review and evaluation process.STEM.org Educational Research takes into consideration the following criteria when assessing each item: STEM Subjects, 21st Century Skills, Sensory Stimulation, Diversity & Inclusion, Communication & Socialization, Kinesthetics & Active Play, Growth Accommodation, Support MaterialsMagformers' items excelled during our evaluation process, scoring in the top 87.5 percentile of over 1,100 STEM products reviewed since 2014.