Ringling Bros. and Barnum & Bailey Circus: Fully Charged (Newark)

The Greatest Show on Earth is back with (yes) clowns, tightrope walkers, elephants, and a guy called The Human Fuse who shoots his body out from a crossbow. Interesting... Saturday and Sunday, multiple performances, tickets range from $19 to $168.25.

46 Circus Acts in 45 Minutes (Branchburg)

This Australian circus troop is all about fantastic acrobatics, juggling, and amazing balancing feats, all performed in a race against the clock. Friday & Saturday at 7pm. Tickets are $25 each.

Peking Acrobats at Bergen PAC (Englewood)

For a different spin on circus, enjoy some Chinese-inspired performances by the best of Chinese gymnasts, tumblers and cyclists. Saturday at 1pm and 4pm. Tickets are $15 to $59.

Justin Roberts at the McCarter Theater Center (Princeton)

One of our favorite kiddie-rockers is playing in NJ this weekend. Justin Roberts and the Not Ready for Naptime Players. Swing by just to hear "Gym Class Parachute" or "Obsessed by Trucks".  Saturday at 11 am. Tickets are $16 each.

Bird House Bonanza at Reeves-Reed Arboretum (Summit)

Get ready for Spring by building your own bird house to welcome your feathered friends! Not only can kids and parents make a bird house, but they will also learn about all the types of birds that may call it home. Saturday from 10am to noon. $30 per child. Pre-registration required. Call 908-273-8787, ext. 1818.

Maple Sugar Festival at Great Swamp (Chatham)

If you had to pick one weekend to go Maple Sugaring, this weekend is the one. At the Maple Sugar Festival at Great Swamp, there will not only be sugaring demos, but also wagon rides, guided walks, games, crafts, and much more! Saturday from noon to 4pm. $4 per person.