Make your own rolled candles. Small kits come with enough material for six dinner candles. Group kit, suitable for classroom or group activity, has ten full sheets of foundation wax, enough for 20 dinner candles. You could also explore making pillars or spiral candles.
Beekeepers use foundation wax in the hive for bees to start making honeycomb. It comes in sheets of 205 x 420mm with a pressed hexagonal pattern.
Instructions are also included or can be found here.