Triceratops Dinosaur Bones Sensory Bin Insert – Fits Large IKEA Trofast | Acrylic Fossil Puzzle Insert | Montessori Sensory Play $40.00 Color Sorting Sensory Bin Insert - Fits Large IKEA Trofast | Toddler Learning Activity | Montessori Color Matching | Fine Motor Toy $25.00 Potion Play Color Mixing Sensory Bin Insert – Fits Large IKEA Trofast | Cauldron + Color Puzzle Insert | Montessori Sensory Play $40.00