See gear
gears - noun
gears - thesaurus
appurtenance cogwheel gearing geartrain paraphernalia train
Scrabble score = 6
"Spellzone is incredibly easy to access and caters for a wide range of abilities, which means you can use it throughout the school at a range of levels, making it fantastic value for money as a learning resource."
Anne Shisler, SENCO, City of London School for Girls