Learning Resources Giant Magnetic Base Ten, Magnetic Base Ten, Use With Magnetic Surfaces Or Whiteboards, 131 Piece SetMagnetic set lets children place value concepts on your whiteboard so the whole class can see. Real photos of blocks go beyond typical magnetics to help students better visualize the 3 D representation of math concepts. Magnets can be paired with Learning Resources Base Ten Block Sets (sold separately) for a more hands on learning experience. Set is designed for children ages 6 and up.