Here's my collection, including my brother's and sister's kens, in order in which we got them (left to right):

2012: Blue sweets translucent, no sarado/tama...
2013: Sweets aTack rasta, red pill
2015: Sweets aTack purple rain, my sister's sweets aTack coral red (Sacrificed to dog), Homemade mini oak rolling pin (Sacrificed to dog), Homemade rolling pin (Both made from wood dowels), Krom red oak (Sacrificed to dog, with repaired spike), Krom red oak black/orange, Black sweets aTack, Cherry pill, Sweets Homegrown maple/purpleheart stripe, My brother's sweets marble/purple stain ken, (Not shown) My sister's yellow aTack ken with blue/light blue/white fade tama.
2016: Green sweets cushion, Sweets purple aTack?, Ozora keyaki, Homemade rolling pin (Attempt #2, much better than the first. Also made from wood dowels), Sweets white/orange/red marble, Sweets marble biggie, Unknown brand red birch (With flat bottom cup), Sweets Homegrown spectra (Not sure) with maroon tama, Sweets Chameleon, Red Ozora, Sweets marble.