Test their smarts with these brain puzzles! Featuring over 100 magnets, writing screen,dry eraser marker and 50 puzzles, these teacher-created puzzles are great for building vocabulary, practicing logical reasoning, mental math skills and spatial skills . The magnetic box makes these great to take on the go, for at-home learning, part of your brain break stations or indoor recess activities. Let the learning fun commence!• Smart Sparks Brainy Puzzles: Grade 4 offers a fun, teacher-approved way to keep kids learning as they play!• Develops visual recognition, vocabulary and problem-solving• Includes 50 puzzles, 112 magnets, writing screen and dry eraser markerAge Recommendation: Ages 9 and up