Crazy concoctions: The Children’s Museum in Easton will host summer “drop-in” days on Tuesdays and Thursdays beginning this week and running through Aug. 24 from 1 to 3 p.m. This week’s theme will be crazy concoctions where kids can make a mess with every day ingredients. “Drop-in” days are free with admission of $7.50. No registration is required. 508-230-3789 or www.childrenmuseumineaston.org.
Youth theater: The Halifax Youth and Recreation Commission will sponser “On Stage,” a 4-week summer theater program for students entering grades four through eight, starting July 9 and running Mondays through Thursdays from 9 to 12 a.m. at the Halifax Elementary school. Participation is limited and on a first come, first served basis. Cost is $125 for Halifax residents and $150 for nonresidents. 781-293-3147 or www.onstagehalifax.org
River Tour: Historian, naturalist, and author John Galluzzo and North and South Rivers Watershed Association director Samantha Woods lead an eight-mile paddle on North River from Marshfield to Hanover on Saturday at 1:30 p.m. The excursion will take approximately four hours and will focus on the river’s ecology and how it has changed over time. Cost per person is $70 for NSRWA members and $95 for nonmembers. 781-659-8168 or www.nsrwa.org to register or email@example.com for more information.
Retracing history: Jones River Landing, Plimoth Plantation, and the Whale and Dolphin Conservation Society will host a retracing of the historic journey that was made from the Mayflower to Jones River Landing in a shallop. The events will take place on and near the water between Plymouth and Kingston on Saturday between 10 a.m. and 1 p.m. During this time, one may participate in the shallop voyage or attend activities at the Jones River Landing. Seating on the shallop is free but limited. Those who wish to attend must register. 781-585-2322 or www.jonesriver.org
Concerts in the park: Sharon’s Beech Tree Park sponsors a series of six Sunday concerts beginning July 8 from 3 to 4:30 p.m. in the park at the corner of Pond and Beach streets. On July 8, the Dixie Diehards will perform. The concerts are free and open to the public. www.townofsharon.net.