Conversation so far:
What kind of toys did James May have?
The toys featured were Airfix, Plasticine, Meccano, Scalextric, Lego and Hornby.
Are Airfix, Plasticine, Meccano, Scalextric, Lego and Hornby animals?

Question: Who did he build that house with?
Self-contained rewrite: Who did James May build a Lego house with?