Boat

The black thing at the top is the flag. The white and orange slotty bits are trapdoors. The silvery bit is the mast.

A Ladder

It's very long and people climb up the stairs.

Eiffel Tower

It is built in Paris.

Castle

It took a long time to build this castle because castles take a long time to build.

SPI and Cooper

The big one is SPI and the little one is Cooper. They are spaceships that swoop. It twists as it flies.