And the action-packed battery-operated. Track set that does what Hot Wheels do best race speed crash. And create all kinds of vehicular mayhem. Set up the track following the instructions.

Hot Wheels are the brainchild of Elliot Handler, a co-founder of Mattel, who was eager to create toy cars that reflected "the radical versions altered by custom-car shops - like vehicles he often saw on California's highways," New York's Museum of Play states on its website.

1993. Toy #7996 Criss Cross Crash is a long-running large motorized trackset first introduced in 1993.

Over 130 new variations of Hot Wheels designs are manufactured each year, and these colorful and unique designs are sold in over 150 countries. There are also over 20,000 different models in existence overall, making a complete collection something that's nearly impossible to acquire.

‎4 D batteries required.

If a person or thing criss-crosses an area, they travel from one side to the other and back again many times, following different routes. If a number of things criss-cross an area, they cross it, and cross over each other.

Conceived in 1968 by an innovator, a rocket scientist and a car designer, Hot Wheels die-casts were designed to revolutionize toy vehicles by looking cooler and performing better than the competition.

"Going through a loop is all about gravity, which is an invisible force that pulls objects toward each other, and inertia, the resistance of an object to any change in speed or motion. The more mass a car has and the higher up on a ramp you start, the more gravity will push the car down the track.

Open battery cover and insert 2 “D” size alkaline batteries (not included) as shown. For best performance, use alkaline batteries. Replace the batteries when the booster no longer propels the car through the set. Non-rechargeable batteries are not to be recharged.

Value can depend on whether or not it's in packaging and if there are any damages to the car. In general, a collectible Hot Wheel will be worth something regardless of its condition, but the value will increase if it's near perfect. Mint condition refers to collectible Hot Wheels inside their original packaging.

The Most Valuable Hot Wheels Cars Ever

• 1969 Cheetah Base with Python Body – $6000.
• 1969 Brown '31 Woody – $8000.
• 1969 Ed Shaver Blue AMX – $10,000.
• 1971 Purple Olds 442 – $12,000.
• 1969 Brown Custom Charger – $13,000.
• 1969 Mad Maverick Base on Mighty Maverick – $15,000.
• 1968 Over Chrome Camaro – $25,000.

Battery life will vary depending on how you follow the Charging and Battery Care Instructions. It's also affected by the total number of hours the batteries are used. Average battery life is one to three years.