Unbuyable:

Air Mote (TCG)
Gold Mote Stamp
Smiley

Potentially Buyable:

Gold Mote Lollypop
Ice Mote Lollypop
Hair Mote
Ice Mote Plushie
Metallic Mote Plushie
Mud Mote
Neopian Mote
Plushie Mote
Plushie Mote Balloon
Robot Mote
Rock Mote
Dung Mote
Salt Mote
Smoke Mote
Smoke Mote Plushie
Snow Mote
Snow Mote Cookie
The Mote Encyclopedia
Smiley Pizza (slice?, 1/2?, 1/3?, 2/3?, 5/6)
Smile Helmet
Smiley Flipball
Smiley Paddleball Game
Smiley Plushie
Smiley Spinacle Ball Lollypop
Upside Down Smiley Cone
Chocolate Chia Truffle
Springy Gelert Book
Cherry Xweetok Cupcake
Cloud Flotsam Shampoo
Grooming the Cloud Uni
The Magical Apple Tree
Cherry Sugared Slorg
Usul Water Balloon Attack
White Chocolate Cybunny Cookie
Mint Lime Flotsam Cake?
Thanks Card
Strawberry Lupe Treat
Clay Jubjub Fun
JubJub Pop-Up Book
Slorg

{non-species plushies, balloons, keyrings?, wc map pieces}