HANDWASHING
five steps, and the 20 seconds that actually matter
US$1.50
BINARY COUNTING
five doubling cards build every number from 0 to 31 — exactly the way every computer counts
Free
SUGAR IN DRINKS
how many sugar cubes hide in a glass — from water to cola, by the USDA reference
US$1.50
THE 9 MAJOR FOOD ALLERGENS
the foods US law singles out by name, and the two ways a label is allowed to say so
Free
ENGLISH ALPHABET
26 letters · 5 vowels · 21 consonants
US$1.50
SIGHT WORDS
all 220 Dolch service words in five grade groups, Pre-K through third — with the top of the Fry frequency list up front
US$1.50
THE CLOCK FACE
two hands, twelve numbers — how to read the time
US$1.50
MUSICAL DYNAMICS
the loudness marks from pp to ff, crescendo and diminuendo hairpins — and how the piano got its name
US$2.50
RED CABBAGE pH INDICATOR
the purple juice that changes colour: acid or base, without asking a book
Free