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250 pieces: these transparent counters that are great for classroom use
The 14-Part Unisex Torso Model is hand-painted true to detail and made of high-quality plastic
HANDS-ON HELP: Snap Cubes help children learn math's concepts such as more or less
Use them at home
1/100 second precision with Lap Counter
Vacuum Pump (Electric) Dissecting Instrument 250 pieces: these transparent countersVacuum Pump (Electric) Speed: 3m2 h Final Vacuum 10Pa, 220V50Hz. Premium Quality: Vacuum Pump is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
US$ 13.99
US$ 21.99
US$ 79.95
