Here is the full solution for CraftConnections Day 11. Each group is shown with its difficulty colour and a redundant shape, so it stays readable if you are colour blind.
Classic — Day 11
● Dyes White Dye · Cyan Dye · Blue Dye · Red Dye
▲ Ways to get around Saddle · Rail · Minecart · Oak Boat
◆ You mine these with a shovel Mycelium · Blue Concrete Powder · Black Concrete Powder · Coarse Dirt
★ Crafted with string Crossbow · Loom · Fishing Rod · Bundle