"Ah! I have heard of technology like this." The subtle platting on his face that stands in for eyebrows arches up pleasantly. This is as close to jumping with engineering glee that Seven is capable of right now.

"As Poppa Wheelie and Wide Load are human then this will be compatible with them. My original plans were sufficient. I had thought to make a wrist band control." His mouth curves into a smile. "This is better. Sometimes it is best to not use your voice. This has the added benefit of keeping their hands free."