Polymerization – Hollow-Carved Haptic Coin Designed by WanWu, the Polymerization haptic coin features a hollow-carved design with ripples, offering both aesthetic appeal and satisfying tactile feedback. Key Features Hollow-Carved Design – The surface features a hollow-carved design with ripples, creating a visually striking effect while adding to the tactile experience. Crisp Sound – When plucked, the coin produces a crisp, satisfying sound, enhancing the sensory feedback. Central Bead – A bead placed in the middle adds stability and smoothness to the play, while also allowing you to change it for different experiences. A visually unique and satisfying haptic coin that combines hollow-carved aesthetics with smooth feedback and customizable play! Dimensions 32 x 8.4mm (mini)39 x 8.4mm (big) Weight Stainless Steel (mini): 32gStainless Steel (big): 53gTitanium (big): 35g