West Hartford – 8th Annual Big Wheel Derby to raise funds for Alyssa’s Angel Fund; bike riding for all ages, dance-a-thon, karate demonstration, crafts, PJ Library stories and more; 9 a.m.; Mandell JCC, 335 Bloomfield Ave., (860) 231-6342, jpasternak@mandelljcc.org, (860) 236-4571. $18/per family.