Embedded Files
lego balloon car Challenge
(There are 5 slides, click the arrow at the bottom to go to the next slide)
insects Challenge
(There are 8 slides, click the arrow at the bottom to go to the next slide)
marble run Challenge
(There are 5 slides, click the arrow at the bottom to go to the next slide)
paper plane Challenge
(There are 4 slides, click the arrow at the bottom to go to the next slide)
mars rover Challenge
(There are 4 slides, click the arrow at the bottom to go to the next slide)
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