Lord and Miller's sensibilities are continually clever, and The Lego Movie works hard to gradually deliver surprising payoffs to what seem to be throwaway bits.
The idea that the deadliest weapon in this Lego galaxy is glue, which will make everything permanent and unmovable, shows that childish wit is probably the purest wit of all.
An especially clever ontological construct is having all the various LEGO game-sets represent various dimensions of the LEGO cosmos, sort of like unitary paradises.
As a rule, movies about toys need to be approached with extreme caution; some of them have been bad enough to count as health hazards. This one is the exception.
At least, lighthearted silliness serves as a palliative for the reflexive cynicism that emerges in viewers confronted with such a blatant corporate agenda. But the filmmakers do not have the good sense to stop there.
