Four color-coded modular connectors arranged in a two-by-two grid pattern
Schlüsselwörter
connector,
modular,
colours,
blue,
red,
green,
yellow,
grid,
arrangement,
interlocking,
mechanism,
hole,
circular,
design,
toy,
educational,
construction,
model,
assembly,
plastic,
component,
building,
block,
interlock,
fastener,
joining,
part,
structured,
pattern,
visual,
element
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