The 18-piece set of silicone stick connectors will kick-start the imagination as builders and explorers engage with Mother Nature. Build large or small structures with natural materials. Ideal for 1 -2 builders. INCLUDES 18 silicone connectors, tote bag, pamphlet. STICK-LETS®: (3) Birch Bark White, (3) Grasshopper Green, (3) Huckleberry Blue, (3) Starfish Red, (3) Pardon My Purple, (3) Monarch Orange.