Related Clues:

• Play-ground sights
• Water park fixtures
• Playground furniture
• Slips, slithers
• Moves to and fro like pendulum
• Pieces of playground equipment
• Moves in a curve
• Playthings in the park
• What you might lose on them, you could gain on the roundabouts
• Moves back and forth
• Pieces of glass under the microscope
• Boards balanced on fulcrums, children's playthings
• What you lose on these, you'll gain on the roundabouts
• Sloping chutes in the playground
• In the ship there's equipment for flying to and fro