Learning Resources in The Garden Critter Counters - 72 Pieces, Ages 3+ Toddler Learning Toys, Math Games for Kids, Math Manipulatives bee The PH-80 is factory calibrated

The PH-80 is factory calibrated for your convenience and can easily and quickly be recalibrated with digital calibration to pH 4

EASY CARE: Machine washable in cold water

go out for BBQ

Specification: Material: Cold Rolled Steel Color: Black Feature: 3-fold Smooth Telescopic Slide Fold Size: 23x 3

Reliable material: the hinged screw covers are made of plastic

Learning Resources in The Garden Critter Counters - 72 Pieces, Ages 3+ Toddler Learning Toys, Math Games for Kids, Math Manipulatives bee The PH-80 is factory calibratedLearning Resources in The Garden Critter Counters 72 Pieces, Ages 3+ Toddler Learning Toys, Math Games for Kids, Math Manipulatives Reinforce counting, sorting, patterning, and other early math skills. Set of 72 counters come in 6 shapes and colors. Garden critters include dragonfly, snail, grasshopper, caterpillar, spider, and bee. Features storage bucket and activity guide. Product Features Kids learn to count objects and compare numbers with