Digital LED Counter Tally Counter 1.5in Red Display Conveyor Counter Count Up to 999999 with Infrared Sensor Sensing Distance 27in for Factory Piecework DC12-24V

Teach counting, probability and more with these transparent counters that come in 6 rainbow colors. Great for demonstrations on overhead projectors. Counters can be combined with …

Two-color plastic counters are perfect for modeling math concepts, such as counting, sorting, patterning, and probability. Includes activity guide. We're Learning Resources®, and we've …

Digital counter model DIGICTR with convenient large push button and large LCD display. The reset button is guarded to prevent accidental reset. Counts 5 digits (up to 99999). The perfect …

2024年11月7日 · Accurate & Handy: Designed for your finger, this electric counter allows you to count seamlessly without interruption. No springs or noisy mechanisms—just smooth, reliable …

Multi-Purpose: Not just for counting! The blue and red plastic counters can also be used as mini poker chips or tokens for bingo and card games. Use this set of 250 colored chips to teach …

You can use this 3 digits digital object counter for counting objects or people entering into a room. It can be used by engineers for learning about digital counters. This DIY digital object counter …

This kit is able to count from 0 to 99 and return back to 0. It uses six (6) IC to drive the two (2) 7 segment displays. This IC have an inbuilt 7 segment display driver and decade counter. The …