QUEUED1999
Parts breakdown
Technic Connectors16
Technic Beams16
Technic Axles11
Plates8
Technic Pins6
String, Bands and Reels6
Technic Bushes3
TOTAL · 66 PIECES · 7 COLOURS
RCX · #3803-1
Robotics Invention System Upgrade Kit (1.5)
$6.62≈ $9.46/100pcs
Inventory readiness
● AWAITING PARTSUnique parts
0 / 25
Buildable
×0
Ships in
4–7 days
1
Every-brick guarantee
Replace or refund
Ships in 4–7 days
Free over $200
Hand-inspected
Three vision passes
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