#21365
Ideas
Love Birds
from £44
£0.06/pc
#21362
Ideas
Mineral Collection
from £54
£0.06/pc
#21368
Ideas
Peanuts: Snoopy's Doghouse
from £62
£0.07/pc
#21345
Ideas
Polaroid OneStep SX-70 Camera
from £69
£0.14/pc
#21355
Ideas
The Evolution of STEM
from £69
£0.08/pc
#21366
Ideas
Floating Sea Otters
from £76
£0.06/pc
#21349
Ideas
Tuxedo Cat
from £79
£0.05/pc
#21361
Ideas
Gremlins: Gizmo
from £89
£0.08/pc
#21376
Ideas
Orange Cat
from £89
£0.05/pc
Every LEGO Ideas set under £100, tracked across 6 retailers — 9 sets in this selection. We compare each live price to the official LEGO RRP, so you see the real saving.
The cheapest LEGO Ideas under £100 right now is £44. Prices and stock update daily, with full 12-month price history on every set.
Frequently asked questions
What's the cheapest LEGO Ideas under £100?
Right now it's £44. Brickheist compares live prices across retailers and shows the official RRP plus price history, so you can spot a genuine deal.