Learning Resources View-Thru Geometric Solids, Geometry Helper, 14 Pieces, Ages 8+ auspowers_batchfour It is an International DIN/JIS

It is an International DIN/JIS lens

it will securely lock into your cup holder

Switch Size(Approx): 64*13*13mm / 2

alarm release & Touch Switch mode

Learning Resources View-Thru Geometric Solids, Geometry Helper, 14 Pieces, Ages 8+ auspowers_batchfour It is an International DIN/JISLearning Resources View Thru Geometric Solids, Geometry Helper, 14 Pieces, Ages 8+ Explore geometry, volume, and other measurement concepts with these transparent 3 D shapes fashioned in bright, bold colors. Removable bases allow for relating 2 D shapes to 3 D solids. Easy to fill with liquid and easy to clean. Set of 14. Product Features Transparent 3 D shapes fashioned in bright, bold colors Explore geometry, volume, and other math concepts Easy to