Take a full-sized school bus and convert it into a mobile gym, complete with padded walls and floors, and what have you got? The ABC Tumblebus. Yes, it sounds nuts, but the kids sure love it.

Classes are offered for children ages 2-1/2 through school-age, and are taught by certified instructors. Call for current class schedule.

For $200, parents can throw a Tumblebus party, complete with one hour of tumbling and party games; balloons, candy, and party favors; and a Tumblebus t-shirt for the birthday kid. Invitations are provided, and a keepsake photo is taken. Maximum: 15 children. Online reservations are required.

For an extra fee, a 13' x 15' inflatable bus (moonbounce) is available. Regularly scheduled gymnastics classes can also be arranged.

Acme Party Works is the place to go for party entertainment and just about any party rental need. There are carnival games, inflatables, electronic and bar-style games, water games, lawn greetings, chairs, and tents.

Acme also rents concessions like cotton candy machines, hot dog steamers, ice cream carts, and popcorn makers.

The company's list of entertainers is long - there are clowns, magicians, fortune tellers, face painters, hypnotists, holiday characters, puppeteers, jugglers, even fire breathers and more.

Baby Travels Equipment Rental serves families traveling to the Metro Detroit area; the company rents and delivers cribs, high chairs, car seats, strollers, and more to your destination. Medela & Ameda breastpump are also available, for rental or sale.

In addition to open bounce hours on Tuesdays and Thursdays, Bobby's Bouncers offers birthday party packages that include pizza and soda for 20 guests. Party attendees play for an hour and 15 minutes and then go into the party room for the last 45 minutes to have pizza, cake, and open presents. Paper products, invitations, and balloon decorations are included.

Inflatables and games include a giant slide, an obstacle course, Mega Dinozone with a rock climb, Basketball Challenge, Air Hockey, Dome Hockey, Play Station, and X-Box - with a large selection of games.

A full line of party rental equipment can either be picked up or delivered, as well.

Bouncin' Kidz is an 11,000-square-foot indoor inflatable party place featuring giant inflatables and open bounce times for all ages and toddler times.

Bounce parties are available seven days a week and range from $150 to $265 for up to 25 guests. The price includes 90 minutes of bounce time; 45 minutes in a party room; plates, cups, and napkins; party invitations; and a gift for the birthday child. Pizza, desserts, and beverages are available for an additional charge. Other unique items, such as cotton candy, nachos, and slushies, can also be arranged. Semi-private parties also are available during any open bounce or toddler session.

Bouncin' Kidz offers field trips and fundraisers, and the entire facility can be rented out for private parties. The company also rents out moonwalks, giant slides, obstacle courses, concessions, tents, tables, chairs, and carnival games.

Carnival Bounce Rentals rents a large selection of moonwalks, interactive games, slides, carnival games, and concessions for backyard parties, schools, churches, companies, and fundraisers.

Rents all kinds of concessions and party equipment, including hot dog machines, slush machines, sno-cone makers, ice cream carts, popcorn machines, and more. The company also offers concession sales and services.

Kimbrella makes girls' tea party dreams come true. A theme-party business that provides dress-up parties for girls, Kimbrella is the thought-child of entreprenuer Kimberly Williams.

Choose from such themes as Back to School Tea, Dolly Me and Tea, Mommy Tea and Me, and Teddy Me and Tea. Cakes and pastries can be ordered, and items such as party favors, canopies, chocolate fountains, and horse and buggies can be arranged.

This is the place to outfit the family for a foray into the outdoors, whether it's camping up north or skiing at Boyne.

REI started out in 1938 as a humble cooperative and evolved into an upscale megastore for people who demand the best in outdoor gear.

Baby and kid stuff abounds: look for high-quality baby joggers, bike trailers, and trail packs; family camping gear; kids' bikes and helmets; performance footwear; skis and snow gear; rain gear, outdoorsy toys, and rugged, stylish clothes for kids of all ages (Patagonia, Cherry Tree, Gramicci).

Rent tents, backpacks, sleeping bags/pads, paddling gear, and snowshoes at the store. (Not all stores carry all gear.) Rental fees average about $18/first day - fees depend on membership status and equipment type.

Stores have a full schedule of outdoor-related talks and programs, but these are primarily geared toward adults (although there is an occasional family-related event; check REI's website for details.)

This is the place to outfit the family for a foray into the outdoors, whether it's camping up north or skiing at Boyne.

REI started out in 1938 as a humble cooperative and evolved into an upscale megastore for people who demand the best in outdoor gear.

Baby and kid stuff abounds: look for high-quality baby joggers, bike trailers, and trail packs; family camping gear; kids' bikes and helmets; performance footwear; skis and snow gear; rain gear, outdoorsy toys, and rugged, stylish clothes for kids of all ages (Patagonia, Cherry Tree, Gramicci).

Rent tents, backpacks, sleeping bags/pads, paddling gear, and snowshoes at the store. (Not all stores carry all gear.) Rental fees average about $18/first day - fees depend on membership status and equipment type.

Stores have a full schedule of outdoor-related talks and programs, but these are primarily geared toward adults (although there is an occasional family-related event; check REI's website for details.)

Sells new and used musical instruments, handles repairs, and offers lessons in playing brass/reed instruments, piano/keyboards, drums, and guitar.

Rents inflatable moonwalks and giant slides. Serves Oakland, Macomb, Livingston, and Washtenaw Counties.

Tiki Hut is an entertainment company that travels to your home or party venue and specializes in professional makeover and other diva parties.

Party packages come in themes: Princess Diva, Funky Girl Makeover, Funky Girl Fashion Show, Rock Diva, and Extreme Dance Diva. Video DVD productions of the fashion show and karaoke parties are available as souvenirs.

Tiki Hut also specializes in airbrushed tattoos, hair wraps, guitar hero and DDR gaming lounges, jewelry parties, and make-your-own-video productions.