- Ultra strong rare-earth square magnets<br />- Perfect pieces for DIY projects and for building 3D puzzles out of magnets<br />- 30-Pack<br /><br />                                                                                                                                Dimensions: 0.20 in x 0.20 in x 0.16 in (0.5 cm x 0.5 cm x 0.4 cm)<br />Weight: 1.23 oz (35 g)<br /><br />