最大的汽车跷跷板Do you like playing on seesaw? Here is one for cars. The world’s longest car seesaw is in Shanghai. It is 25.077 meters long. Look! It can hold two cars on each side. ……

's seesaw,See's saw would not have sawed Soar's seesaw.So See's saw sawed Soar's seesaw.But it was sad to see Soar so sore,Just because See's saw sawed Soar's seesaw!Fleas in the treesThrough three ……

你想住进跷跷板房屋吗？This is a house and also a seesaw (跷跷板). It is a seesaw house created by two architects... for five days. When they walk in the house, its two ends (末端) rise and fall like a seesaw, but very ……

你想住进跷跷板房屋吗？This is a house and also a seesaw (跷跷板). It is a seesaw house created by two architects... for five days. When they walk in the house, its two ends (末端) rise and fall like a seesaw, but very ……

Magic candle魔棒遥控蜡烛Do you want to become a wizard (巫师) like Harry Potter? Start with this candle! You can turn the candle on with a soft tap (敲打), or turn it off with a quick wave. What a cool candle! ……

蜡烛跷跷板原理。In this experiment,a candle doesn’t just sit quietly while it burns.You’ll need：• Metal tray (金属托盘)• Two cans• Long candle• Matches• Two thin nails (钉子) or pins ……

魔棒遥控蜡烛。WANT to become a wizard (巫师) like Harry Potter? Start with this candle. You can turn the candle on with a soft tap (敲打), or turn it off with a quick wave (挥舞). ……

First the short candle stops burning, followed by the taller candle. Mixing soda and vinegar makes carbon dioxide, which fills up the bowl and pushes out the oxygen. ……

百变双人凳。DARE you sit on this bench (长凳)? It can work as a normal bench. But if you want, it can also turn into a seesaw (跷跷板). Italian artist Andrea Rekalidis designed this bench. She hopes people can ……

在跷跷板上玩“愤怒的小鸟”Rocking Pad is a seesaw6. There is a big pad in the middle. There are video games like Angry Birds in the pad. You can play the seesaw with friends. At the same time, you can enjoy ……

Son: Daddy, I want to watch TV.Dad: Noelectricity(电) tonight.Son: Let's watch TV with a candle. ……

跷跷板房子Is it a seesaw? Is it a house? It’s a seesaw house! Two architects (建筑师) from the US made it. They also lived in this house for five days. The architects use concrete (水泥) and wood to build ……

), as this experiment shows.You’ll needYou’ll need• Short candle in holder• Matches• Salt box, large can or other container (容器)• Adult helper• Short candle in holder&bull ……

在游乐园entrance 入口 ticket 门票seesaw 跷跷板 go karts 卡丁车 bumper cars 碰碰车 ferris wheel 摩天轮 rollercoaster 过山车 rock climbing攀岩 mini-train 小火车 castle 城堡 Can I take pictures with these clowns? 我能和小丑们拍照吗？Sure ……

; Short candle,about 5 cm long• Candle about  10 cm long• Vinegar (醋) • Baking soda (泡打粉) • Adult helper• Small dish• Large bowl• Short candle,about 5 cm ……