Publishing self-checking flash card set includes both Addition 0-12 (CD-3928) and Subtraction 0-12 (CD-3931) decks. Each box contains 94 double-sided cards featuring rounded corners for easy sorting, a resource card, and two blank cards for custom problems. These educational tools are perfect for home or school use, helping children ages 6 and up master basic math facts with a clear, easy-to-read vertical format. Measurements: • Box Height: 6.25 • Box Width: 3.25 • Combined Weight: 1lb 6.7oz
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
Good value for the price. The item works as expected and there have been no issues during use. Everything seems to function properly.