80W Smoke Purifier for Engraving Machine:The 80W air purifier machine adopts the built-in noise reduction module to reduce the noise. Selected high-quality composite carbons and upgraded four layers of multi-effect filtration effectively remove smoke and dust generated during the operation; Mainly used for CNC laser and engraving machines.
Activity cards include visual place value models, counting by 100’s, models used throughout. Grades 1-4. Ages 6 and up. These cards are for use with the Smart Tray (sold separately). Fast track your place vaule skills. Includes 25 accelerator cards. Models place value. Counting across place value. Helps kids use big numbers.
