Counting Frame With Sliding Beads
This page is the CodyCross answer for the clue below from African grasslands, Group 1559, Puzzle 1 (Nocturnal Animals).
Question is: Counting Frame With Sliding Beads
and the answer is: ABACUS
Word Meaning:
ABACUS — (historical, obsolete) A table or tray scattered with sand which was used for calculating or drawing.
Definitions from Wiktionary.