Learning Resources Stem Explorers Brainometry Classroom Set, Kids Games, Puzzles, Sensory Toys, Classroom Must Haves, MontessoriBrain Teasing STEM Puzzles: Students take on brain teasing challenges as they build and solve this STEM toy's hands on critical thinking puzzles! Great for Small Groups: Explore classroom STEM activities with 120 Brainometry blocks and 30 puzzles! What Do Kids Learn?: As they strengthen critical thinking and fine motor skills, students can also build collaboration and other small group communication skills vital for the STEM classroom! Built In