Crossword Help Forum
Forum Rules

18. Do keep social arrangement with mirrors (12)
28. Smart denim is put straight for code breaking game (10)
38. Leave after teletubbie with a twig (4,5)
45. Construction kit can come apart & be rebuilt (7)

The construction kit is meccano (anagram of can come)

28 Mastermind (anagram of smart mined)

18 kaleidoscope (anagram of do keep social)

pogo stick