Tie-Dye Summer Drop-In. Children's Museum in Easton. 10:30 a.m. to 3:00 p.m. Have an old t-shirt at home? Maybe a pair of socks or a pillowcase? Bring them to the museum for our tie-dye drop-in day and watch as we help you make what was old, new and beautiful! You can also buy a t-shirt from us for $3. The shirts should be 100% cotton! Free with museum admission of $6. All ages welcome! Free off-street parking.