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too big for a beginner and certainly not as 'stunty' as the 2-string deltas
pen and pencil
You'll need refills of these to perform repeat or multiple ph measures using the meter sold separately
good for both refraction (splitting through light into rainbows) and reflection (via the edges
' - so the home website states
Story Cubes Digital Thermometer too big for a beginnerA very popular creativity game, as entertainment or learning. You roll the dice and make up a story connecting the random sides that turn up for you. such infinite possibility in such a small pack (notebook sized).
US$ 33.99
US$ 69.99
