Flexible bond, 90mm (double bonding), Packs of ten 90mm flexible bonds to represent double bonding, Use to supplement your Unit building sets or for building custom models
Flexible Skeleton with Ligament, on Shoulder, Elbow, Hip, Knee, Hand and Foot and Muscles of the Face, Head and Neck, Small, handy and functional, a masterpiece of anatomical art, scientifically accurate and with incredible anatomical details