Brick, Round 1 x 1 with HP Shrunken Head Pattern

Brick, Round 2 x 2 with Axle Hole with 3 Red Stripes in White Circle Pattern (Sticker) - Set 42100

Brick, Round 2 x 2 Dome Top with Bright Light Orange Round Eyes and Black Owl Beak Pattern (HP Hedwig Head)

Brick, Round 2 x 2 with Axle Hole with White 'POWERED BY allinol' on Black Background Pattern (Sticker) - Set 8206

Brick, Round 6 x 6 Dome Top with Dark Azure Stripe Pattern

Brick, Round 2 x 2 with Axle Hole with Black '1100 DROPS', 'SKELE-GRO' and 'R.W & Co' Pattern

Brick, Round 2 x 2 Dome Top with Dark Orange Stapler in Jello Mold Pattern

Brick, Round 2 x 2 x 1 2/3 Dome Top with Black Eyes and White Pupils Pattern (Z-Blob)

Brick, Round 2 x 2 Dome Top with Buttons, Dark Azure, Medium Azure and Silver Eye and Bright Light Orange Pattern (Training Droid)