The Bubble Teether from Bannor Toys features a large wooden bead with smaller silicone beads.
 
Note from manufacturer: Silicone beads are permanently attached to the teether, 100% Non-Toxic, Lead Free, BPA Free, Cadmium Free, Mercury Free, Phthalate Free, FDA approved, CCPSA approved, LFGB approved, SGS approved, CPSIA compliant, have ASTM International Certification and CE Certification. 
 
Do not use without full supervision. Inspect teether and silicone before every use and discard if damaged or beads come loose.