2 LEGO 41451 Unikitty Cloud Car 41452 Prince Puppycorn Trike Building Blocks Set Flaw: there is 1 missing piece from set 41451, Unikitty cloud car- it is the purple “ball” looking piece circled in blue. No other pieces are missing from either sets. Here are 2 different Lego Unikitty and Puppycorn building blocks sets. The only flaw is the one missing piece as mentioned above, no other flaws, no other missing pieces. Comes with all instructions and one open box.