Hellobaby Tray balance scale, household physics laboratory rack plate, high precision mechanical balance scale, teaching aids, elementary school student experiment
Regular price
$99.99
Regular price
$109.99
Sale price
$99.99
Unit price
per
1 Made of environmentally friendly materials, resistant to scientific corrosion, anti-static, heat-resistant and cold-resistant, not prone to aging.
2 Sensitive response, a slight deviation means the pointer does not return to zero on the scale.